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Hexagon

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If, for each side of a cyclic hexagon, the adjacent sides are extended to their intersection, forming a triangle exterior to the given side, then the segments connecting the circumcenters of opposite triangles are
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at the six points (including three triangle vertices) where the extended altitudes of the triangle meet the circumcircle, then the area of the hexagon is twice the area of the triangle.
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hexagon (one inscribed in a circle) with vertices given by the six intersections of the edges of a triangle and the three lines that are parallel to the edges that pass through its
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each line is as short as it can possibly be if a large area is to be filled with the fewest hexagons. This means that honeycombs require less
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with equal edge lengths. In three dimensions it will be a zig-zag skew hexagon and can be seen in the vertices and side edges of a
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In addition to the regular hexagon, which determines a unique tessellation of the plane, any irregular hexagon which satisfies the
1896:{\displaystyle d_{1}^{4}+d_{3}^{4}+d_{5}^{4}=d_{2}^{4}+d_{4}^{4}+d_{6}^{4}=3\left(\left(R^{2}+L^{2}\right)^{2}+2R^{2}L^{2}\right).} 1216: 6072: 2753:
with evenly many sides, in which case the parallelograms are all rhombi. This decomposition of a regular hexagon is based on a
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If a regular hexagon has successive vertices A, B, C, D, E, F and if P is any point on the circumcircle between B and C, then
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with six vertices and edges but not existing on the same plane. The interior of such a hexagon is not generally defined. A
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hexagon constructed with equal edge lengths, but vertices alternating two different internal angles. These two forms are
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until they meet, the three intersection points will lie on a straight line, the "Pascal line" of that configuration.
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circle (separation of parallel sides, flat-to-flat distance, short diagonal or height when resting on a flat base),
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are hexagonal for this reason and because the shape makes efficient use of space and building materials. The
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is constructed externally on each side of any hexagon, then the midpoints of the segments connecting the
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are also in a hexagonal pattern. The two simple roots of two lengths have a 150° angle between them.
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forms are regular hexagons flattened or stretched along one symmetry direction. It can be seen as an
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that the height-to-width ratio of a regular hexagon is 1:1.1547005; that is, a hexagon with a long
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are the distances from the vertices of a regular hexagon to any point on its circumcircle, then
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with a vertex at the center of the regular hexagon and sharing one side with the hexagon is
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Each subgroup symmetry allows one or more degrees of freedom for irregular forms. Only the
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of a hexagon is a diagonal which divides the hexagon into quadrilaterals. In any convex
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The dihedral symmetries are divided depending on whether they pass through vertices (
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There are other symmetry polyhedra with stretched or flattened hexagons, like these
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states that the three main diagonals AD, BE, and CF intersect at a single point.
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hexagon constructed by three mirrors can alternate long and short edges, and
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of each other and have half the symmetry order of the regular hexagon. The
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For an arbitrary point in the plane of a regular hexagon with circumradius
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of a regular triangular lattice is the honeycomb tessellation of hexagons.
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symmetry. There are 16 subgroups. There are 8 up to isomorphism: itself (D
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for perpendiculars) Cyclic symmetries in the middle column are labeled as
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Gutierrez, Antonio, "Hexagon, Inscribed Circle, Tangent, Semiperimeter",
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These symmetries express nine distinct symmetries of a regular hexagon.
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for their central gyration orders. Full symmetry of the regular form is
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A step-by-step animation of the construction of a regular hexagon using
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of 1.0000000 will have a distance of 0.8660254 between parallel sides.
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four times on the circumscribed circle and connect the corner points.
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is given, drawing a circular arc from point A and point B gives the
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by adding a center point. This pattern repeats within the regular
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and can also tile the plane by translation. In three dimensions,
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hexagons, with opposite sides parallel are also called hexagonal
2339: 1005: 1001: 342: 243: 5265:, Mathematical recreations and Essays, Thirteenth edition, p.141 3744:, uniform and dual polyhedra and polytopes, shown in these skew 6255: 5939: 5889: 5839: 5796: 5766: 5717: 5653: 5024: 4878: 4806:, a hexagonal cloud pattern around the north pole of the planet 4718: 4711: 4704: 3785: 2956: 2844: 2695: 2683: 441: 4697: 3707: 6300: 4758: 4727: 350: 237: 231: 225: 219: 3119: 3112: 2775:
Dissection of hexagons into three rhombs and parallelograms
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Irregular hexagons with parallel opposite edges are called
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and projective directions of the cube are dissected within
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Equilateral triangles on the sides of an arbitrary hexagon
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Equilateral triangles on the sides of an arbitrary hexagon
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of opposite triangles form another equilateral triangle.
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can tessellate the Euclidean plane by translation. Other
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The common length of the sides equals the radius of the
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A regular hexagon is defined as a hexagon that is both
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has vertices alternating between two parallel planes.
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subgroup has no degrees of freedom but can be seen as
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can be seen as horizontally and vertically elongated
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made of only regular hexagons, because the hexagons
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hexagon (one with all sides equal) with common side
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with equilateral triangles on its edges, creating a
2924:, {12}, alternating two types (colors) of edges. An 403:, regular hexagons fit together without any gaps to 5287: 3918:{\displaystyle {\frac {d_{2}}{a}}>{\sqrt {3}}.} 3917: 3857: 3643:A regular skew hexagon seen as edges (black) of a 3599: 2043: 1925: 1895: 1687: 1522: 1355: 1328: 1308: 1254: 1202: 1062: 989: 720: 679: 462: 333: 5227:: CS1 maint: DOI inactive as of September 2024 ( 3331:and these can tessellate 3-space by translation. 3199:Self-intersecting hexagons with regular vertices 2951:A regular hexagon can be extended into a regular 1004:, the area can also be expressed in terms of the 450:, Book IV, Proposition 15: this is possible as 6 6624: 5418: 3451:If the successive sides of a cyclic hexagon are 2895:{6}. A regular hexagon is a part of the regular 470:2 × 3, a product of a power of two and distinct 5102:: single path, six-sided star, within a hexagon 2886: 2749:parallelograms. In particular this is true for 5193:Communications in Mathematics and Applications 2940:. A regular hexagon can be dissected into six 568:. The minimal diameter or the diameter of the 6096: 5501: 5355: 3798: 1015:. For the regular hexagon these are given by 276:, t{3}, which alternates two types of edges. 5186: 4933: 4920:mirror is composed of 18 hexagonal segments. 3941:, not allowing the result to "fold up". The 3394: 2963:around it. This pattern repeats within the 2902:A regular hexagon can also be created as a 6103: 6089: 5508: 5494: 5444:construction with compass and straightedge 4728:Gallery of natural and artificial hexagons 3928: 3312:to construct and gain much strength under 2303:labels these by a letter and group order. 721:{\displaystyle d={\frac {\sqrt {3}}{2}}D.} 246:. The total of the internal angles of any 242:, meaning "corner, angle") is a six-sided 5456:a website devoted to hexagon mathematics. 5204: 5152:, Cambridge University Press, p. 9, 5145: 5096:: six-sided star within a regular hexagon 3182: 250:(non-self-intersecting) hexagon is 720°. 5327:, Dover Publications, 2007 (orig. 1960). 5182: 5180: 3858:{\displaystyle {\frac {d_{1}}{a}}\leq 2} 3638: 3614: 3327:with parallel opposite faces are called 3287: 2227: 2207: 516: 6073:List of regular polytopes and compounds 3283: 1213:The regular hexagon fills the fraction 334:{\displaystyle {\tfrac {2}{\sqrt {3}}}} 6625: 5440:Definition and properties of a hexagon 5317: 3512:Let ABCDEF be a hexagon formed by six 6084: 5450:An Introduction to Hexagonal Geometry 5419: 5177: 4865:composed of hexagonal aromatic rings. 4849:Hexagonal order of bubbles in a foam. 3508:Hexagon tangential to a conic section 269:{6} and can also be constructed as a 5383: 5059:figure which, like the hexagon, has 4901:An aerial view of Fort Jefferson in 3815:, there exists a principal diagonal 3413:Hexagon inscribed in a conic section 6110: 5274:Cartensen, Jens, "About hexagons", 5245:, (2008) The Symmetries of Things, 4741:The ideal crystalline structure of 3973:. These hexagons can be considered 2548: 1063:{\displaystyle {}=6R=4r{\sqrt {3}}} 13: 3945:with some hexagonal faces are the 3731: 2761:, with 3 of 6 square faces. Other 253: 14: 6659: 5412: 4942:for its vaguely hexagonal shape. 3496:If a hexagon has vertices on the 3431: 2394:hexagon shapes can tile the plane 1291: 576:, is twice the minimal radius or 556:, is twice the maximal radius or 295:(has a circumscribed circle) and 5032: 5016: 5001: 4979: 4967: 4947: 4925: 4909: 4894: 4870: 4854: 4842: 4823: 4811: 4796: 4781: 4766: 4750: 4734: 4717: 4710: 4703: 4696: 4680: 4673: 4666: 4659: 4649: 4644: 4639: 4634: 4629: 4616: 4611: 4606: 4601: 4596: 4583: 4578: 4573: 4568: 4563: 4550: 4545: 4540: 4535: 4530: 4495: 4484: 4473: 4448: 4437: 4426: 4413: 4402: 4391: 4378: 4367: 4356: 4327: 4316: 4305: 4259: 4248: 4237: 4226: 4215: 4205: 4200: 4195: 4190: 4185: 4176: 4171: 4166: 4161: 4156: 4147: 4142: 4137: 4132: 4127: 4118: 4113: 4108: 4103: 4098: 4089: 4084: 4079: 4074: 4069: 4031: 4026: 4021: 4016: 4011: 4003: 3998: 3993: 3988: 3983: 3784: 3773: 3762: 3736:The regular skew hexagon is the 3717: 3706: 3384: 3377: 3365: 3358: 3271: 3262: 3253: 3242: 3233: 3224: 3125: 3118: 3111: 3104: 3097: 3090: 3083: 3076: 3022: 3015: 3008: 3001: 2994: 2987: 2980: 2973: 2932:, {3}. A regular hexagon can be 2864: 2857: 2850: 2843: 2812: 2805: 2798: 2791: 2708: 2701: 2694: 2666: 2661: 2656: 2635: 2630: 2625: 2602: 2597: 2592: 2583: 2575: 2570: 2565: 2556: 2504: 2495: 2486: 2477: 2468: 2459: 2448: 2190: 2177: 2164: 2149: 2140: 2127: 2116: 2103: 2090: 2073: 564:, which equals the side length, 479: 429: 363:rotational symmetry of order six 128: 123: 118: 110: 105: 100: 48: 6643:Polygons by the number of sides 5442:with interactive animation and 5372:from the original on 2015-07-05 5349: 5306:from the original on 2014-12-05 5241:John H. Conway, Heidi Burgiel, 5166:from the original on 2016-01-02 4444:augmented truncated tetrahedron 4420:metabiaugmented hexagonal prism 4409:parabiaugmented hexagonal prism 4385:gyroelongated triangular cupola 4283:Hexagons in Goldberg polyhedra 3634: 3527:and that has consecutive sides 548:(which corresponds to the long 5330: 5281: 5268: 5256: 5235: 5139: 5128: 4512:Tilings with regular hexagons 3335:Hexagonal prism tessellations 2679: 2552: 2216:of a regular hexagon, with Dih 2058: 731:The area of a regular hexagon 635: 622: 1: 5187:Meskhishvili, Mamuka (2020). 5146:Wenninger, Magnus J. (1974), 5122: 4351:Johnson solids with hexagons 3740:for these higher dimensional 3701:Skew hexagons on 3-fold axes 3349:Hexagonal prismatic honeycomb 3142:A self-intersecting hexagon ( 2675: 2396:with different orientations. 2062:Example hexagons by symmetry 1276:It follows from the ratio of 512: 5288:Dergiades, Nikolaos (2014). 4455:triangular hebesphenorotunda 4433:triaugmented hexagonal prism 3600:{\displaystyle a+c+e=b+d+f.} 3072: 2969: 2887:Related polygons and tilings 357:. A regular hexagon has six 238: 226: 19:For the crystal system, see 7: 5325:Advanced Euclidean Geometry 5046: 4374:elongated triangular cupola 4266:truncated icosidodecahedron 3971:truncated icosidodecahedron 2248:and no symmetry is labeled 2054: 1271:PE + PF = PA + PB + PC + PD 299:(has an inscribed circle). 10: 6664: 6062: 5489: 5461:Hexagons are the Bestagons 5390:Inequalities proposed in " 4918:James Webb Space Telescope 4903:Dry Tortugas National Park 4511: 4471: 4464: 4424: 4389: 4354: 4350: 4282: 4213: 4042: 3799:Convex equilateral hexagon 3760: 3398: 3222: 2871: 2841: 2819: 2789: 2774: 2513: 2173: 2101: 2069: 291:, meaning that it is both 232: 220: 32: 25: 18: 6519: 6465: 6405: 6349: 6288: 6279: 6171: 6123: 5278:33(2) (2000–2001), 37–40. 4818:Micrograph of a snowflake 4788:The scutes of a turtle's 4688: 4519: 4398:augmented hexagonal prism 4060: 4055: 3868:and a principal diagonal 3753: 3516:of a conic section. Then 3209: 3203: 3041:Hypertruncated triangles 3040: 2965:rhombitrihexagonal tiling 2877: 2872: 2837: 2834: 2831: 2823: 2785: 2779: 2688: 2532: 2433: 2085: 195: 169: 154: 137: 93: 83: 69: 59: 47: 42: 5074:Hexagonal crystal system 4960:hexagonal crystal system 3424:, and pairs of opposite 3395:Tesselations by hexagons 3292:Giant's Causeway closeup 3195:of the regular hexagon: 2236:for diagonal) or edges ( 438:compass and straightedge 28:Hexagon (disambiguation) 21:Hexagonal crystal family 5215:10.26713/cma.v11i3.1420 4861:Crystal structure of a 4345:with regular hexagons: 4244:truncated cuboctahedron 3967:truncated cuboctahedron 3929:Polyhedra with hexagons 3686:, symmetry, order 12. 687:  and, similarly, 95:Coxeter–Dynkin diagrams 6638:Constructible polygons 5356:Dao Thanh Oai (2015). 5346:, Accessed 2012-04-17. 5217:(inactive 2024-09-12). 5090:of hexagons in a plane 4934: 4334:Chamfered dodecahedron 3919: 3859: 3746:orthogonal projections 3652: 3620: 3601: 3525:tangential to a circle 3293: 3189:self-crossing hexagons 3183:Self-crossing hexagons 2955:by adding alternating 2891:A regular hexagon has 2307:is full symmetry, and 2296:) and the trivial (e) 2253: 2225: 2045: 2022: 1969: 1927: 1897: 1689: 1524: 1363:respectively, we have 1357: 1330: 1310: 1256: 1204: 1064: 991: 722: 681: 541: 464: 335: 5276:Mathematical Spectrum 5243:Chaim Goodman-Strauss 4958:crystal, one of many 4837:with hexagonal shape. 4312:Chamfered tetrahedron 4255:truncated icosahedron 4222:truncated tetrahedron 3955:truncated icosahedron 3947:truncated tetrahedron 3920: 3860: 3642: 3618: 3602: 3523:In a hexagon that is 3409:will tile the plane. 3291: 2961:equilateral triangles 2942:equilateral triangles 2928:hexagon, h{6}, is an 2646:Exceptional Lie group 2376:Hexagons of symmetry 2231: 2211: 2046: 2002: 1949: 1928: 1926:{\displaystyle d_{i}} 1898: 1690: 1525: 1358: 1356:{\displaystyle d_{i}} 1331: 1311: 1257: 1205: 1065: 992: 723: 682: 520: 494:M, the center of the 486:When the side length 465: 371:six lines of symmetry 367:reflection symmetries 359:rotational symmetries 336: 230:, meaning "six", and 6336:Nonagon/Enneagon (9) 6266:Tangential trapezoid 5117:Central place theory 5106:Honeycomb conjecture 5008:Władysław Gliński's 4745:is a hexagonal grid. 4233:truncated octahedron 3951:truncated octahedron 3882: 3829: 3680:triangular antiprism 3672:regular skew hexagon 3665:skew zig-zag hexagon 3651:, , (2*3), order 12. 3645:triangular antiprism 3625:equilateral triangle 3558: 3284:Hexagonal structures 3151:Central {6} in {12} 2930:equilateral triangle 2920:hexagon, t{6}, is a 2907:equilateral triangle 2689:12 rhomb dissection 2644:The 12 roots of the 1940: 1910: 1700: 1535: 1370: 1340: 1320: 1300: 1264:circumscribed circle 1217: 1077: 1030: 738: 691: 591: 496:circumscribed circle 454: 314: 304:circumscribed circle 274:equilateral triangle 35:Hexagonal (CONCACAF) 26:For other uses, see 16:Shape with six sides 6448:Megagon (1,000,000) 6216:Isosceles trapezoid 6057:pentagonal polytope 5956:Uniform 10-polytope 5516:Fundamental convex 5392:Crux Mathematicorum 5362:Forum Geometricorum 5323:Johnson, Roger A., 5295:Forum Geometricorum 4940:Metropolitan France 4491:Hexagonal antiprism 4275:Goldberg polyhedron 3702: 3518:Brianchon's theorem 3336: 3200: 2767:rectangular cuboids 2651:, represented by a 2620:, represented by a 2613:The 6 roots of the 2224:symmetry, order 12. 2037: 1984: 1807: 1789: 1771: 1753: 1735: 1717: 1642: 1624: 1606: 1588: 1570: 1552: 1477: 1459: 1441: 1423: 1405: 1387: 6418:Icositetragon (24) 5926:Uniform 9-polytope 5876:Uniform 8-polytope 5826:Uniform 7-polytope 5783:Uniform 6-polytope 5753:Uniform 5-polytope 5713:Uniform polychoron 5676:Uniform polyhedron 5524:in dimensions 2–10 5475:about hexagons by 5421:Weisstein, Eric W. 5402:2017-08-30 at the 5342:2012-05-11 at the 5100:Unicursal hexagram 4995:Reading, Berkshire 4045:Archimedean solids 3943:Archimedean solids 3915: 3855: 3805:principal diagonal 3700: 3653: 3621: 3597: 3426:sides are extended 3334: 3294: 3198: 3193:vertex arrangement 3139:A concave hexagon 2879:Rectangular cuboid 2838:Rectangular faces 2721:states that every 2254: 2226: 2041: 2023: 1970: 1923: 1893: 1793: 1775: 1757: 1739: 1721: 1703: 1685: 1628: 1610: 1592: 1574: 1556: 1538: 1520: 1463: 1445: 1427: 1409: 1391: 1373: 1353: 1326: 1306: 1252: 1244: 1200: 1198: 1060: 1011:and the perimeter 987: 985: 718: 677: 542: 460: 331: 329: 6648:Elementary shapes 6620: 6619: 6461: 6460: 6438:Myriagon (10,000) 6423:Triacontagon (30) 6387:Heptadecagon (17) 6377:Pentadecagon (15) 6372:Tetradecagon (14) 6311:Quadrilateral (4) 6181:Antiparallelogram 6078: 6077: 6065:Polytope families 5522:uniform polytopes 5251:978-1-56881-220-5 5149:Polyhedron Models 5027:Botanical Gardens 4877:Naturally formed 4863:molecular hexagon 4835:aromatic compound 4725: 4724: 4690:2-uniform tilings 4507: 4506: 4502:Hexagonal pyramid 4460: 4459: 4363:triangular cupola 4341:There are also 9 4339: 4338: 4271: 4270: 3910: 3900: 3847: 3796: 3795: 3729: 3728: 3676:vertex-transitive 3392: 3391: 3281: 3280: 3180: 3179: 3071: 3070: 2946:triangular tiling 2884: 2883: 2716: 2715: 2611: 2610: 2546: 2545: 2268:), 2 dihedral: (D 2212:The six lines of 2206: 2205: 2202: 2201: 1329:{\displaystyle L} 1309:{\displaystyle R} 1243: 1232: 1168: 1145: 1139: 1107: 1058: 890: 886: 869: 846: 840: 807: 772: 766: 710: 706: 672: 668: 654: 650: 602: 552:of the hexagon), 463:{\displaystyle =} 411:. The cells of a 373:), making up the 328: 327: 205: 204: 54:A regular hexagon 6655: 6433:Chiliagon (1000) 6413:Icositrigon (23) 6392:Octadecagon (18) 6382:Hexadecagon (16) 6286: 6285: 6105: 6098: 6091: 6082: 6081: 6069:Regular polytope 5630: 5619: 5608: 5567: 5510: 5503: 5496: 5487: 5486: 5462: 5434: 5433: 5407: 5387: 5381: 5380: 5378: 5377: 5353: 5347: 5334: 5328: 5321: 5315: 5314: 5312: 5311: 5285: 5279: 5272: 5266: 5260: 5254: 5239: 5233: 5232: 5226: 5218: 5208: 5184: 5175: 5173: 5172: 5171: 5143: 5137: 5132: 5084:Hexagonal tiling 5079:Hexagonal number 5067:and tessellates 5057:four-dimensional 5040:Hexagonal window 5036: 5023:Pavilion in the 5020: 5005: 4983: 4971: 4951: 4937: 4929: 4913: 4898: 4887:Northern Ireland 4883:Giant's Causeway 4874: 4858: 4846: 4827: 4815: 4804:Saturn's hexagon 4800: 4785: 4770: 4754: 4738: 4721: 4714: 4707: 4700: 4684: 4677: 4670: 4663: 4654: 4653: 4652: 4648: 4647: 4643: 4642: 4638: 4637: 4633: 4632: 4621: 4620: 4619: 4615: 4614: 4610: 4609: 4605: 4604: 4600: 4599: 4588: 4587: 4586: 4582: 4581: 4577: 4576: 4572: 4571: 4567: 4566: 4555: 4554: 4553: 4549: 4548: 4544: 4543: 4539: 4538: 4534: 4533: 4509: 4508: 4499: 4488: 4477: 4462: 4461: 4452: 4441: 4430: 4417: 4406: 4395: 4382: 4371: 4360: 4348: 4347: 4331: 4320: 4309: 4280: 4279: 4263: 4252: 4241: 4230: 4219: 4210: 4209: 4208: 4204: 4203: 4199: 4198: 4194: 4193: 4189: 4188: 4181: 4180: 4179: 4175: 4174: 4170: 4169: 4165: 4164: 4160: 4159: 4152: 4151: 4150: 4146: 4145: 4141: 4140: 4136: 4135: 4131: 4130: 4123: 4122: 4121: 4117: 4116: 4112: 4111: 4107: 4106: 4102: 4101: 4094: 4093: 4092: 4088: 4087: 4083: 4082: 4078: 4077: 4073: 4072: 4040: 4039: 4036: 4035: 4034: 4030: 4029: 4025: 4024: 4020: 4019: 4015: 4014: 4008: 4007: 4006: 4002: 4001: 3997: 3996: 3992: 3991: 3987: 3986: 3979:Coxeter diagrams 3977:triangles, with 3924: 3922: 3921: 3916: 3911: 3906: 3901: 3896: 3895: 3886: 3864: 3862: 3861: 3856: 3848: 3843: 3842: 3833: 3788: 3777: 3766: 3751: 3750: 3721: 3710: 3703: 3699: 3606: 3604: 3603: 3598: 3484: 3418:Pascal's theorem 3407:Conway criterion 3401:Hexagonal tiling 3388: 3381: 3369: 3362: 3344:Hexagonal tiling 3337: 3333: 3329:parallelohedrons 3325:hexagonal prisms 3302:Giant's Causeway 3275: 3266: 3257: 3246: 3237: 3228: 3201: 3197: 3129: 3122: 3115: 3108: 3101: 3094: 3087: 3080: 3073: 3026: 3019: 3012: 3005: 2998: 2991: 2984: 2977: 2970: 2897:hexagonal tiling 2868: 2861: 2854: 2847: 2816: 2809: 2802: 2795: 2772: 2771: 2757:projection of a 2751:regular polygons 2748: 2739: 2738: 2734: 2712: 2705: 2698: 2680: 2671: 2670: 2669: 2665: 2664: 2660: 2659: 2640: 2639: 2638: 2634: 2633: 2629: 2628: 2615:simple Lie group 2607: 2606: 2605: 2601: 2600: 2596: 2595: 2587: 2580: 2579: 2578: 2574: 2573: 2569: 2568: 2560: 2553: 2549:A2 and G2 groups 2508: 2499: 2490: 2481: 2472: 2463: 2452: 2399: 2398: 2311:is no symmetry. 2194: 2181: 2168: 2153: 2144: 2131: 2120: 2107: 2094: 2077: 2068: 2067: 2059: 2050: 2048: 2047: 2042: 2036: 2031: 2021: 2016: 1995: 1994: 1989: 1985: 1983: 1978: 1968: 1963: 1932: 1930: 1929: 1924: 1922: 1921: 1902: 1900: 1899: 1894: 1889: 1885: 1884: 1883: 1874: 1873: 1858: 1857: 1852: 1848: 1847: 1846: 1834: 1833: 1806: 1801: 1788: 1783: 1770: 1765: 1752: 1747: 1734: 1729: 1716: 1711: 1694: 1692: 1691: 1686: 1681: 1677: 1676: 1675: 1663: 1662: 1641: 1636: 1623: 1618: 1605: 1600: 1587: 1582: 1569: 1564: 1551: 1546: 1529: 1527: 1526: 1521: 1516: 1512: 1511: 1510: 1498: 1497: 1476: 1471: 1458: 1453: 1440: 1435: 1422: 1417: 1404: 1399: 1386: 1381: 1362: 1360: 1359: 1354: 1352: 1351: 1335: 1333: 1332: 1327: 1315: 1313: 1312: 1307: 1272: 1261: 1259: 1258: 1253: 1245: 1242: 1234: 1233: 1228: 1222: 1209: 1207: 1206: 1201: 1199: 1192: 1191: 1173: 1169: 1164: 1162: 1161: 1146: 1141: 1140: 1135: 1120: 1112: 1108: 1103: 1095: 1069: 1067: 1066: 1061: 1059: 1054: 1034: 1000:For any regular 996: 994: 993: 988: 986: 979: 978: 963: 962: 944: 940: 939: 924: 923: 905: 901: 900: 891: 882: 881: 870: 862: 857: 856: 847: 842: 841: 836: 830: 822: 818: 817: 808: 803: 783: 782: 773: 768: 767: 762: 756: 727: 725: 724: 719: 711: 702: 701: 686: 684: 683: 678: 673: 664: 663: 655: 646: 645: 634: 633: 603: 595: 504: 489: 483: 469: 467: 466: 461: 433: 349:). All internal 347:inscribed circle 340: 338: 337: 332: 330: 323: 319: 241: 235: 234: 229: 223: 222: 133: 132: 131: 127: 126: 122: 121: 115: 114: 113: 109: 108: 104: 103: 52: 40: 39: 6663: 6662: 6658: 6657: 6656: 6654: 6653: 6652: 6623: 6622: 6621: 6616: 6515: 6469: 6457: 6401: 6367:Tridecagon (13) 6357:Hendecagon (11) 6345: 6281: 6275: 6246:Right trapezoid 6167: 6119: 6109: 6079: 6048: 6041: 6034: 5917: 5910: 5903: 5867: 5860: 5853: 5817: 5810: 5644:Regular polygon 5637: 5628: 5621: 5617: 5610: 5606: 5597: 5588: 5581: 5577: 5565: 5559: 5555: 5543: 5525: 5514: 5483: 5460: 5415: 5410: 5404:Wayback Machine 5388: 5384: 5375: 5373: 5354: 5350: 5344:Wayback Machine 5335: 5331: 5322: 5318: 5309: 5307: 5286: 5282: 5273: 5269: 5261: 5257: 5240: 5236: 5220: 5219: 5185: 5178: 5169: 5167: 5160: 5144: 5140: 5133: 5129: 5125: 5069:Euclidean space 5049: 5042: 5037: 5028: 5021: 5012: 5010:hexagonal chess 5006: 4997: 4984: 4975: 4972: 4963: 4952: 4943: 4930: 4921: 4914: 4905: 4899: 4890: 4875: 4866: 4859: 4850: 4847: 4838: 4833:, the simplest 4828: 4819: 4816: 4807: 4801: 4792: 4786: 4777: 4771: 4762: 4761:mirror segments 4755: 4746: 4739: 4730: 4650: 4645: 4640: 4635: 4630: 4628: 4627: 4617: 4612: 4607: 4602: 4597: 4595: 4594: 4584: 4579: 4574: 4569: 4564: 4562: 4561: 4551: 4546: 4541: 4536: 4531: 4529: 4528: 4500: 4489: 4480:Hexagonal prism 4478: 4453: 4442: 4431: 4418: 4407: 4396: 4383: 4372: 4361: 4332: 4321: 4310: 4264: 4253: 4242: 4231: 4220: 4206: 4201: 4196: 4191: 4186: 4184: 4177: 4172: 4167: 4162: 4157: 4155: 4148: 4143: 4138: 4133: 4128: 4126: 4119: 4114: 4109: 4104: 4099: 4097: 4090: 4085: 4080: 4075: 4070: 4068: 4032: 4027: 4022: 4017: 4012: 4010: 4004: 3999: 3994: 3989: 3984: 3982: 3931: 3905: 3891: 3887: 3885: 3883: 3880: 3879: 3874: 3838: 3834: 3832: 3830: 3827: 3826: 3821: 3801: 3789: 3778: 3767: 3734: 3732:Petrie polygons 3722: 3711: 3685: 3682:with the same D 3650: 3637: 3613: 3559: 3556: 3555: 3510: 3476: 3446:symmedian point 3438:Lemoine hexagon 3434: 3415: 3403: 3397: 3374:Parallelogonal 3286: 3276: 3267: 3258: 3247: 3238: 3229: 3219: 3213: 3207: 3185: 3168: 3150: 3135: 3063: 3055: 3045: 3037: 3032: 2912: 2893:Schläfli symbol 2889: 2786:Parallelograms 2736: 2732: 2731: 2730: 2678: 2667: 2662: 2657: 2655: 2636: 2631: 2626: 2624: 2603: 2598: 2593: 2591: 2590: 2588: 2576: 2571: 2566: 2564: 2563: 2561: 2551: 2542: 2536: 2530: 2524: 2518: 2509: 2500: 2491: 2482: 2473: 2464: 2453: 2295: 2291: 2287: 2283: 2275: 2271: 2267: 2263: 2258:regular hexagon 2219: 2195: 2182: 2169: 2158: 2156: 2154: 2145: 2134: 2132: 2123: 2121: 2110: 2108: 2095: 2080: 2078: 2057: 2032: 2027: 2017: 2006: 1990: 1979: 1974: 1964: 1953: 1948: 1944: 1943: 1941: 1938: 1937: 1917: 1913: 1911: 1908: 1907: 1879: 1875: 1869: 1865: 1853: 1842: 1838: 1829: 1825: 1824: 1820: 1819: 1818: 1814: 1802: 1797: 1784: 1779: 1766: 1761: 1748: 1743: 1730: 1725: 1712: 1707: 1701: 1698: 1697: 1671: 1667: 1658: 1654: 1653: 1649: 1637: 1632: 1619: 1614: 1601: 1596: 1583: 1578: 1565: 1560: 1547: 1542: 1536: 1533: 1532: 1506: 1502: 1493: 1489: 1488: 1484: 1472: 1467: 1454: 1449: 1436: 1431: 1418: 1413: 1400: 1395: 1382: 1377: 1371: 1368: 1367: 1347: 1343: 1341: 1338: 1337: 1321: 1318: 1317: 1301: 1298: 1297: 1294: 1270: 1235: 1227: 1223: 1220: 1218: 1215: 1214: 1197: 1196: 1187: 1183: 1171: 1170: 1163: 1157: 1153: 1134: 1121: 1119: 1110: 1109: 1096: 1094: 1087: 1080: 1078: 1075: 1074: 1053: 1033: 1031: 1028: 1027: 984: 983: 974: 970: 958: 954: 942: 941: 935: 931: 919: 915: 903: 902: 896: 892: 880: 861: 852: 848: 835: 831: 829: 820: 819: 813: 809: 802: 778: 774: 761: 757: 755: 748: 741: 739: 736: 735: 700: 692: 689: 688: 662: 644: 629: 625: 594: 592: 589: 588: 515: 510: 509: 508: 507: 506: 502: 498:. Transfer the 487: 484: 476: 475: 455: 452: 451: 434: 420:Voronoi diagram 380: 345:(radius of the 317: 315: 312: 311: 310:, which equals 267:Schläfli symbol 256: 254:Regular hexagon 149: 129: 124: 119: 117: 116: 111: 106: 101: 99: 85:Schläfli symbol 64:Regular polygon 55: 43:Regular hexagon 38: 31: 24: 17: 12: 11: 5: 6661: 6651: 6650: 6645: 6640: 6635: 6618: 6617: 6615: 6614: 6609: 6604: 6599: 6594: 6589: 6584: 6579: 6574: 6572:Pseudotriangle 6569: 6564: 6559: 6554: 6549: 6544: 6539: 6534: 6529: 6523: 6521: 6517: 6516: 6514: 6513: 6508: 6503: 6498: 6493: 6488: 6483: 6478: 6472: 6470: 6463: 6462: 6459: 6458: 6456: 6455: 6450: 6445: 6440: 6435: 6430: 6425: 6420: 6415: 6409: 6407: 6403: 6402: 6400: 6399: 6394: 6389: 6384: 6379: 6374: 6369: 6364: 6362:Dodecagon (12) 6359: 6353: 6351: 6347: 6346: 6344: 6343: 6338: 6333: 6328: 6323: 6318: 6313: 6308: 6303: 6298: 6292: 6290: 6283: 6277: 6276: 6274: 6273: 6268: 6263: 6258: 6253: 6248: 6243: 6238: 6233: 6228: 6223: 6218: 6213: 6208: 6203: 6198: 6193: 6188: 6183: 6177: 6175: 6173:Quadrilaterals 6169: 6168: 6166: 6165: 6160: 6155: 6150: 6145: 6140: 6135: 6129: 6127: 6121: 6120: 6108: 6107: 6100: 6093: 6085: 6076: 6075: 6060: 6059: 6050: 6046: 6039: 6032: 6028: 6019: 6002: 5993: 5982: 5981: 5979: 5977: 5972: 5963: 5958: 5952: 5951: 5949: 5947: 5942: 5933: 5928: 5922: 5921: 5919: 5915: 5908: 5901: 5897: 5892: 5883: 5878: 5872: 5871: 5869: 5865: 5858: 5851: 5847: 5842: 5833: 5828: 5822: 5821: 5819: 5815: 5808: 5804: 5799: 5790: 5785: 5779: 5778: 5776: 5774: 5769: 5760: 5755: 5749: 5748: 5739: 5734: 5729: 5720: 5715: 5709: 5708: 5699: 5697: 5692: 5683: 5678: 5672: 5671: 5666: 5661: 5656: 5651: 5646: 5640: 5639: 5635: 5631: 5626: 5615: 5604: 5595: 5586: 5579: 5573: 5563: 5557: 5551: 5545: 5539: 5533: 5527: 5526: 5515: 5513: 5512: 5505: 5498: 5490: 5485: 5481: 5480: 5473:internet video 5457: 5447: 5436: 5435: 5414: 5413:External links 5411: 5409: 5408: 5382: 5348: 5329: 5316: 5280: 5267: 5255: 5234: 5176: 5158: 5138: 5126: 5124: 5121: 5120: 5119: 5114: 5108: 5103: 5097: 5091: 5088:regular tiling 5081: 5076: 5071: 5048: 5045: 5044: 5043: 5038: 5031: 5029: 5022: 5015: 5013: 5007: 5000: 4998: 4989:, a hexagonal 4985: 4978: 4976: 4974:Hexagonal barn 4973: 4966: 4964: 4953: 4946: 4944: 4931: 4924: 4922: 4915: 4908: 4906: 4900: 4893: 4891: 4876: 4869: 4867: 4860: 4853: 4851: 4848: 4841: 4839: 4829: 4822: 4820: 4817: 4810: 4808: 4802: 4795: 4793: 4787: 4780: 4778: 4772: 4765: 4763: 4756: 4749: 4747: 4740: 4733: 4729: 4726: 4723: 4722: 4715: 4708: 4701: 4693: 4692: 4686: 4685: 4678: 4671: 4664: 4656: 4655: 4622: 4589: 4556: 4522: 4521: 4518: 4514: 4513: 4505: 4504: 4493: 4482: 4470: 4469: 4468:with hexagons 4458: 4457: 4446: 4435: 4423: 4422: 4411: 4400: 4388: 4387: 4376: 4365: 4353: 4352: 4343:Johnson solids 4337: 4336: 4325: 4323:Chamfered cube 4314: 4302: 4301: 4296: 4291: 4285: 4284: 4269: 4268: 4257: 4246: 4235: 4224: 4212: 4211: 4182: 4153: 4124: 4095: 4065: 4064: 4059: 4054: 4048: 4047: 3935:Platonic solid 3930: 3927: 3926: 3925: 3914: 3909: 3904: 3899: 3894: 3890: 3872: 3866: 3865: 3854: 3851: 3846: 3841: 3837: 3819: 3800: 3797: 3794: 3793: 3782: 3780:3-3 duopyramid 3771: 3759: 3758: 3755: 3738:Petrie polygon 3733: 3730: 3727: 3726: 3715: 3683: 3648: 3636: 3633: 3612: 3609: 3608: 3607: 3596: 3593: 3590: 3587: 3584: 3581: 3578: 3575: 3572: 3569: 3566: 3563: 3509: 3506: 3502:acute triangle 3433: 3432:Cyclic hexagon 3430: 3414: 3411: 3399:Main article: 3396: 3393: 3390: 3389: 3382: 3375: 3371: 3370: 3363: 3356: 3352: 3351: 3346: 3341: 3306:hexagonal grid 3285: 3282: 3279: 3278: 3269: 3260: 3251: 3240: 3231: 3221: 3220: 3217: 3214: 3211: 3208: 3205: 3187:There are six 3184: 3181: 3178: 3177: 3175:Complete graph 3172: 3165: 3164:Dissected {6} 3162: 3152: 3147: 3140: 3137: 3131: 3130: 3123: 3116: 3109: 3102: 3095: 3088: 3081: 3069: 3068: 3060: 3052: 3042: 3039: 3034: 3028: 3027: 3020: 3013: 3006: 2999: 2992: 2985: 2978: 2910: 2888: 2885: 2882: 2881: 2876: 2870: 2869: 2862: 2855: 2848: 2840: 2839: 2836: 2833: 2829: 2828: 2822: 2818: 2817: 2810: 2803: 2796: 2788: 2787: 2784: 2781: 2777: 2776: 2755:Petrie polygon 2714: 2713: 2706: 2699: 2691: 2690: 2687: 2677: 2674: 2653:Dynkin diagram 2622:Dynkin diagram 2609: 2608: 2589:G2 group roots 2581: 2562:A2 group roots 2550: 2547: 2544: 2543: 2540: 2537: 2534: 2531: 2528: 2525: 2522: 2519: 2516: 2512: 2511: 2502: 2493: 2484: 2475: 2466: 2457: 2445: 2444: 2438: 2432: 2422: 2416: 2410: 2371:directed edges 2293: 2289: 2285: 2281: 2273: 2269: 2265: 2261: 2217: 2204: 2203: 2200: 2199: 2197: 2188: 2186: 2184: 2175: 2172: 2171: 2162: 2147: 2138: 2125: 2114: 2100: 2099: 2097: 2088: 2086: 2084: 2082: 2071: 2064: 2063: 2056: 2053: 2052: 2051: 2040: 2035: 2030: 2026: 2020: 2015: 2012: 2009: 2005: 2001: 1998: 1993: 1988: 1982: 1977: 1973: 1967: 1962: 1959: 1956: 1952: 1947: 1920: 1916: 1904: 1903: 1892: 1888: 1882: 1878: 1872: 1868: 1864: 1861: 1856: 1851: 1845: 1841: 1837: 1832: 1828: 1823: 1817: 1813: 1810: 1805: 1800: 1796: 1792: 1787: 1782: 1778: 1774: 1769: 1764: 1760: 1756: 1751: 1746: 1742: 1738: 1733: 1728: 1724: 1720: 1715: 1710: 1706: 1695: 1684: 1680: 1674: 1670: 1666: 1661: 1657: 1652: 1648: 1645: 1640: 1635: 1631: 1627: 1622: 1617: 1613: 1609: 1604: 1599: 1595: 1591: 1586: 1581: 1577: 1573: 1568: 1563: 1559: 1555: 1550: 1545: 1541: 1530: 1519: 1515: 1509: 1505: 1501: 1496: 1492: 1487: 1483: 1480: 1475: 1470: 1466: 1462: 1457: 1452: 1448: 1444: 1439: 1434: 1430: 1426: 1421: 1416: 1412: 1408: 1403: 1398: 1394: 1390: 1385: 1380: 1376: 1350: 1346: 1325: 1305: 1293: 1292:Point in plane 1290: 1251: 1248: 1241: 1238: 1231: 1226: 1211: 1210: 1195: 1190: 1186: 1182: 1179: 1176: 1174: 1172: 1167: 1160: 1156: 1152: 1149: 1144: 1138: 1133: 1130: 1127: 1124: 1118: 1115: 1113: 1111: 1106: 1102: 1099: 1093: 1090: 1088: 1086: 1083: 1082: 1057: 1052: 1049: 1046: 1043: 1040: 1037: 998: 997: 982: 977: 973: 969: 966: 961: 957: 953: 950: 947: 945: 943: 938: 934: 930: 927: 922: 918: 914: 911: 908: 906: 904: 899: 895: 889: 885: 879: 876: 873: 868: 865: 860: 855: 851: 845: 839: 834: 828: 825: 823: 821: 816: 812: 806: 801: 798: 795: 792: 789: 786: 781: 777: 771: 765: 760: 754: 751: 749: 747: 744: 743: 729: 728: 717: 714: 709: 705: 699: 696: 676: 671: 667: 661: 658: 653: 649: 643: 640: 637: 632: 628: 624: 621: 618: 615: 612: 609: 606: 601: 598: 514: 511: 485: 478: 477: 459: 435: 428: 427: 426: 425: 424: 405:tile the plane 378: 375:dihedral group 326: 322: 255: 252: 203: 202: 199: 193: 192: 171: 167: 166: 163: 156:Internal angle 152: 151: 147: 141: 139:Symmetry group 135: 134: 97: 91: 90: 87: 81: 80: 77: 67: 66: 61: 57: 56: 53: 45: 44: 15: 9: 6: 4: 3: 2: 6660: 6649: 6646: 6644: 6641: 6639: 6636: 6634: 6631: 6630: 6628: 6613: 6612:Weakly simple 6610: 6608: 6605: 6603: 6600: 6598: 6595: 6593: 6590: 6588: 6585: 6583: 6580: 6578: 6575: 6573: 6570: 6568: 6565: 6563: 6560: 6558: 6555: 6553: 6552:Infinite skew 6550: 6548: 6545: 6543: 6540: 6538: 6535: 6533: 6530: 6528: 6525: 6524: 6522: 6518: 6512: 6509: 6507: 6504: 6502: 6499: 6497: 6494: 6492: 6489: 6487: 6484: 6482: 6479: 6477: 6474: 6473: 6471: 6468: 6467:Star polygons 6464: 6454: 6453:Apeirogon (∞) 6451: 6449: 6446: 6444: 6441: 6439: 6436: 6434: 6431: 6429: 6426: 6424: 6421: 6419: 6416: 6414: 6411: 6410: 6408: 6404: 6398: 6397:Icosagon (20) 6395: 6393: 6390: 6388: 6385: 6383: 6380: 6378: 6375: 6373: 6370: 6368: 6365: 6363: 6360: 6358: 6355: 6354: 6352: 6348: 6342: 6339: 6337: 6334: 6332: 6329: 6327: 6324: 6322: 6319: 6317: 6314: 6312: 6309: 6307: 6304: 6302: 6299: 6297: 6294: 6293: 6291: 6287: 6284: 6278: 6272: 6269: 6267: 6264: 6262: 6259: 6257: 6254: 6252: 6249: 6247: 6244: 6242: 6239: 6237: 6234: 6232: 6231:Parallelogram 6229: 6227: 6226:Orthodiagonal 6224: 6222: 6219: 6217: 6214: 6212: 6209: 6207: 6206:Ex-tangential 6204: 6202: 6199: 6197: 6194: 6192: 6189: 6187: 6184: 6182: 6179: 6178: 6176: 6174: 6170: 6164: 6161: 6159: 6156: 6154: 6151: 6149: 6146: 6144: 6141: 6139: 6136: 6134: 6131: 6130: 6128: 6126: 6122: 6117: 6113: 6106: 6101: 6099: 6094: 6092: 6087: 6086: 6083: 6074: 6070: 6066: 6061: 6058: 6054: 6051: 6049: 6042: 6035: 6029: 6027: 6023: 6020: 6018: 6014: 6010: 6006: 6003: 6001: 5997: 5994: 5992: 5988: 5984: 5983: 5980: 5978: 5976: 5973: 5971: 5967: 5964: 5962: 5959: 5957: 5954: 5953: 5950: 5948: 5946: 5943: 5941: 5937: 5934: 5932: 5929: 5927: 5924: 5923: 5920: 5918: 5911: 5904: 5898: 5896: 5893: 5891: 5887: 5884: 5882: 5879: 5877: 5874: 5873: 5870: 5868: 5861: 5854: 5848: 5846: 5843: 5841: 5837: 5834: 5832: 5829: 5827: 5824: 5823: 5820: 5818: 5811: 5805: 5803: 5800: 5798: 5794: 5791: 5789: 5786: 5784: 5781: 5780: 5777: 5775: 5773: 5770: 5768: 5764: 5761: 5759: 5756: 5754: 5751: 5750: 5747: 5743: 5740: 5738: 5735: 5733: 5732:Demitesseract 5730: 5728: 5724: 5721: 5719: 5716: 5714: 5711: 5710: 5707: 5703: 5700: 5698: 5696: 5693: 5691: 5687: 5684: 5682: 5679: 5677: 5674: 5673: 5670: 5667: 5665: 5662: 5660: 5657: 5655: 5652: 5650: 5647: 5645: 5642: 5641: 5638: 5632: 5629: 5625: 5618: 5614: 5607: 5603: 5598: 5594: 5589: 5585: 5580: 5578: 5576: 5572: 5562: 5558: 5556: 5554: 5550: 5546: 5544: 5542: 5538: 5534: 5532: 5529: 5528: 5523: 5519: 5511: 5506: 5504: 5499: 5497: 5492: 5491: 5488: 5484: 5478: 5474: 5471: 5467: 5463: 5458: 5455: 5451: 5448: 5445: 5441: 5438: 5437: 5431: 5430: 5425: 5422: 5417: 5416: 5405: 5401: 5398: 5395: 5393: 5386: 5371: 5367: 5363: 5359: 5352: 5345: 5341: 5338: 5333: 5326: 5320: 5305: 5301: 5297: 5296: 5291: 5284: 5277: 5271: 5264: 5259: 5252: 5248: 5244: 5238: 5230: 5224: 5216: 5212: 5207: 5202: 5198: 5194: 5190: 5183: 5181: 5165: 5161: 5159:9780521098595 5155: 5151: 5150: 5142: 5136: 5131: 5127: 5118: 5115: 5112: 5109: 5107: 5104: 5101: 5098: 5095: 5092: 5089: 5085: 5082: 5080: 5077: 5075: 5072: 5070: 5066: 5062: 5058: 5054: 5051: 5050: 5041: 5035: 5030: 5026: 5019: 5014: 5011: 5004: 4999: 4996: 4992: 4988: 4982: 4977: 4970: 4965: 4961: 4957: 4950: 4945: 4941: 4936: 4928: 4923: 4919: 4912: 4907: 4904: 4897: 4892: 4888: 4884: 4881:columns from 4880: 4873: 4868: 4864: 4857: 4852: 4845: 4840: 4836: 4832: 4826: 4821: 4814: 4809: 4805: 4799: 4794: 4791: 4784: 4779: 4776: 4769: 4764: 4760: 4753: 4748: 4744: 4737: 4732: 4731: 4720: 4716: 4713: 4709: 4706: 4702: 4699: 4695: 4694: 4691: 4687: 4683: 4679: 4676: 4672: 4669: 4665: 4662: 4658: 4657: 4626: 4623: 4593: 4590: 4560: 4557: 4527: 4524: 4523: 4516: 4515: 4510: 4503: 4498: 4494: 4492: 4487: 4483: 4481: 4476: 4472: 4467: 4463: 4456: 4451: 4447: 4445: 4440: 4436: 4434: 4429: 4425: 4421: 4416: 4412: 4410: 4405: 4401: 4399: 4394: 4390: 4386: 4381: 4377: 4375: 4370: 4366: 4364: 4359: 4355: 4349: 4346: 4344: 4335: 4330: 4326: 4324: 4319: 4315: 4313: 4308: 4304: 4303: 4300: 4297: 4295: 4292: 4290: 4287: 4286: 4281: 4278: 4276: 4267: 4262: 4258: 4256: 4251: 4247: 4245: 4240: 4236: 4234: 4229: 4225: 4223: 4218: 4214: 4183: 4154: 4125: 4096: 4067: 4066: 4063: 4058: 4053: 4050: 4049: 4046: 4041: 4038: 3980: 3976: 3972: 3968: 3964: 3960: 3956: 3952: 3948: 3944: 3940: 3936: 3912: 3907: 3902: 3897: 3892: 3888: 3878: 3877: 3876: 3871: 3852: 3849: 3844: 3839: 3835: 3825: 3824: 3823: 3818: 3814: 3810: 3806: 3792: 3787: 3783: 3781: 3776: 3772: 3770: 3765: 3761: 3756: 3752: 3749: 3747: 3743: 3739: 3725: 3720: 3716: 3714: 3709: 3705: 3704: 3698: 3696: 3692: 3687: 3681: 3677: 3673: 3668: 3666: 3662: 3658: 3646: 3641: 3632: 3630: 3626: 3617: 3594: 3591: 3588: 3585: 3582: 3579: 3576: 3573: 3570: 3567: 3564: 3561: 3554: 3553: 3552: 3550: 3546: 3542: 3538: 3534: 3530: 3526: 3521: 3519: 3515: 3514:tangent lines 3505: 3503: 3499: 3494: 3492: 3486: 3483: 3479: 3474: 3470: 3466: 3462: 3458: 3454: 3449: 3447: 3443: 3439: 3429: 3427: 3423: 3422:conic section 3419: 3410: 3408: 3402: 3387: 3383: 3380: 3376: 3373: 3372: 3368: 3364: 3361: 3357: 3354: 3353: 3350: 3347: 3345: 3342: 3339: 3338: 3332: 3330: 3326: 3322: 3321:parallelogons 3317: 3315: 3311: 3307: 3303: 3299: 3290: 3274: 3270: 3265: 3261: 3256: 3252: 3250: 3245: 3241: 3236: 3232: 3230:Figure-eight 3227: 3223: 3215: 3202: 3196: 3194: 3190: 3176: 3173: 3171: 3166: 3163: 3161: 3157: 3153: 3148: 3145: 3141: 3138: 3133: 3132: 3128: 3124: 3121: 3117: 3114: 3110: 3107: 3103: 3100: 3096: 3093: 3089: 3086: 3082: 3079: 3075: 3074: 3067: 3061: 3059: 3053: 3051: 3048: 3043: 3035: 3030: 3029: 3025: 3021: 3018: 3014: 3011: 3007: 3004: 3000: 2997: 2993: 2990: 2986: 2983: 2979: 2976: 2972: 2971: 2968: 2966: 2962: 2958: 2954: 2949: 2947: 2943: 2939: 2935: 2931: 2927: 2923: 2919: 2914: 2908: 2905: 2900: 2898: 2894: 2880: 2875: 2867: 2863: 2860: 2856: 2853: 2849: 2846: 2842: 2835:Square faces 2830: 2827: 2826:parallelogons 2820: 2815: 2811: 2808: 2804: 2801: 2797: 2794: 2790: 2782: 2778: 2773: 2770: 2768: 2764: 2763:parallelogons 2760: 2756: 2752: 2746: 2742: 2728: 2724: 2720: 2711: 2707: 2704: 2700: 2697: 2693: 2692: 2685: 2682: 2681: 2673: 2654: 2650: 2647: 2642: 2623: 2619: 2616: 2586: 2582: 2559: 2555: 2554: 2538: 2526: 2520: 2514: 2507: 2503: 2498: 2494: 2489: 2485: 2480: 2476: 2471: 2467: 2462: 2458: 2456: 2451: 2447: 2446: 2442: 2439: 2436: 2430: 2426: 2423: 2420: 2417: 2414: 2411: 2408: 2404: 2401: 2400: 2397: 2395: 2391: 2390:parallelogons 2387: 2383: 2379: 2374: 2372: 2368: 2363: 2361: 2360:parallelogons 2357: 2353: 2349: 2345: 2341: 2338: 2334: 2330: 2326: 2322: 2318: 2314: 2310: 2306: 2302: 2297: 2279: 2259: 2251: 2247: 2243: 2239: 2235: 2230: 2223: 2215: 2210: 2198: 2193: 2189: 2187: 2185: 2180: 2176: 2174: 2167: 2163: 2161: 2152: 2148: 2143: 2139: 2137: 2130: 2126: 2119: 2115: 2113: 2106: 2102: 2098: 2093: 2089: 2087: 2083: 2076: 2072: 2070: 2066: 2065: 2061: 2060: 2038: 2033: 2028: 2024: 2018: 2013: 2010: 2007: 2003: 1999: 1996: 1991: 1986: 1980: 1975: 1971: 1965: 1960: 1957: 1954: 1950: 1945: 1936: 1935: 1934: 1918: 1914: 1890: 1886: 1880: 1876: 1870: 1866: 1862: 1859: 1854: 1849: 1843: 1839: 1835: 1830: 1826: 1821: 1815: 1811: 1808: 1803: 1798: 1794: 1790: 1785: 1780: 1776: 1772: 1767: 1762: 1758: 1754: 1749: 1744: 1740: 1736: 1731: 1726: 1722: 1718: 1713: 1708: 1704: 1696: 1682: 1678: 1672: 1668: 1664: 1659: 1655: 1650: 1646: 1643: 1638: 1633: 1629: 1625: 1620: 1615: 1611: 1607: 1602: 1597: 1593: 1589: 1584: 1579: 1575: 1571: 1566: 1561: 1557: 1553: 1548: 1543: 1539: 1531: 1517: 1513: 1507: 1503: 1499: 1494: 1490: 1485: 1481: 1478: 1473: 1468: 1464: 1460: 1455: 1450: 1446: 1442: 1437: 1432: 1428: 1424: 1419: 1414: 1410: 1406: 1401: 1396: 1392: 1388: 1383: 1378: 1374: 1366: 1365: 1364: 1348: 1344: 1323: 1303: 1289: 1287: 1283: 1279: 1274: 1267: 1265: 1249: 1246: 1239: 1236: 1229: 1224: 1193: 1188: 1184: 1180: 1177: 1175: 1165: 1158: 1154: 1150: 1147: 1142: 1136: 1131: 1128: 1125: 1122: 1116: 1114: 1104: 1100: 1097: 1091: 1089: 1084: 1073: 1072: 1071: 1055: 1050: 1047: 1044: 1041: 1038: 1035: 1026: 1022: 1018: 1014: 1010: 1007: 1003: 980: 975: 971: 967: 964: 959: 955: 951: 948: 946: 936: 932: 928: 925: 920: 916: 912: 909: 907: 897: 893: 887: 883: 877: 874: 871: 866: 863: 858: 853: 849: 843: 837: 832: 826: 824: 814: 810: 804: 799: 796: 793: 790: 787: 784: 779: 775: 769: 763: 758: 752: 750: 745: 734: 733: 732: 715: 712: 707: 703: 697: 694: 674: 669: 665: 659: 656: 651: 647: 641: 638: 630: 626: 619: 616: 613: 610: 607: 604: 599: 596: 587: 586: 585: 583: 579: 575: 571: 567: 563: 559: 555: 551: 547: 540:= side length 539: 535: 531: 527: 523: 519: 501: 497: 493: 482: 473: 472:Fermat primes 457: 449: 448: 443: 439: 432: 423: 421: 417: 414: 410: 409:tessellations 406: 402: 399: 395: 390: 388: 384: 376: 372: 368: 364: 360: 356: 352: 348: 344: 324: 320: 309: 305: 300: 298: 294: 290: 286: 282: 277: 275: 272: 268: 264: 262: 251: 249: 245: 240: 228: 218: 214: 210: 200: 198: 194: 191: 187: 183: 179: 175: 172: 168: 164: 161: 157: 153: 145: 142: 140: 136: 98: 96: 92: 88: 86: 82: 78: 76: 72: 68: 65: 62: 58: 51: 46: 41: 36: 29: 22: 6406:>20 sides 6341:Decagon (10) 6326:Heptagon (7) 6320: 6316:Pentagon (5) 6306:Triangle (3) 6201:Equidiagonal 6052: 6021: 6012: 6004: 5995: 5986: 5966:10-orthoplex 5702:Dodecahedron 5663: 5623: 5612: 5601: 5592: 5583: 5574: 5570: 5560: 5552: 5548: 5540: 5536: 5482: 5427: 5389: 5385: 5374:. Retrieved 5365: 5361: 5351: 5332: 5324: 5319: 5308:. Retrieved 5299: 5293: 5283: 5275: 5270: 5258: 5237: 5223:cite journal 5196: 5192: 5168:, retrieved 5148: 5141: 5135:Cube picture 5130: 4340: 4272: 4043:Hexagons in 3981:of the form 3933:There is no 3932: 3869: 3867: 3816: 3812: 3804: 3802: 3769:3-3 duoprism 3735: 3688: 3671: 3669: 3664: 3661:skew polygon 3657:skew hexagon 3656: 3654: 3647:, symmetry D 3635:Skew hexagon 3622: 3548: 3544: 3540: 3536: 3532: 3528: 3522: 3511: 3498:circumcircle 3495: 3487: 3481: 3477: 3472: 3468: 3464: 3460: 3456: 3452: 3450: 3435: 3416: 3404: 3318: 3295: 3277:Triple-tail 3268:Double-tail 3239:Center-flip 3186: 3156:skew hexagon 3144:star polygon 2950: 2915: 2901: 2890: 2821:Regular {6} 2744: 2740: 2726: 2717: 2643: 2612: 2440: 2434: 2428: 2424: 2418: 2412: 2406: 2402: 2385: 2381: 2377: 2375: 2366: 2364: 2355: 2347: 2343: 2332: 2320: 2312: 2308: 2304: 2298: 2257: 2255: 2249: 2245: 2241: 2237: 2233: 2221: 2160:parallelogon 1905: 1295: 1278:circumradius 1275: 1268: 1212: 1024: 1020: 1016: 1012: 1008: 999: 730: 581: 573: 565: 561: 558:circumradius 553: 544:The maximal 543: 537: 529: 526:Circumradius 521: 500:line segment 492:intersection 445: 404: 391: 370: 362: 308:circumcircle 301: 278: 259: 257: 212: 206: 197:Dual polygon 150:), order 2×6 6602:Star-shaped 6577:Rectilinear 6547:Equilateral 6542:Equiangular 6506:Hendecagram 6350:11–20 sides 6331:Octagon (8) 6321:Hexagon (6) 6296:Monogon (1) 6138:Equilateral 5975:10-demicube 5936:9-orthoplex 5886:8-orthoplex 5836:7-orthoplex 5793:6-orthoplex 5763:5-orthoplex 5718:Pentachoron 5706:Icosahedron 5681:Tetrahedron 5368:: 105–114. 5302:: 243–246. 5199:: 335–355. 5063:facets, is 4987:The Hexagon 4932:In French, 4299:Icosahedral 4289:Tetrahedral 4062:Icosahedral 4052:Tetrahedral 3959:soccer ball 3809:equilateral 3314:compression 3296:From bees' 3047:Star figure 3038:t{3} = {6} 2686:projection 2301:John Conway 440:, given by 398:equilateral 387:equilateral 285:equiangular 281:equilateral 182:equilateral 6633:6 (number) 6627:Categories 6607:Tangential 6511:Dodecagram 6289:1–10 sides 6280:By number 6261:Tangential 6241:Right kite 5961:10-simplex 5945:9-demicube 5895:8-demicube 5845:7-demicube 5802:6-demicube 5772:5-demicube 5686:Octahedron 5376:2015-04-12 5310:2014-11-17 5206:2010.12340 5170:2015-11-06 5123:References 4954:Hexagonal 4938:refers to 4935:l'Hexagone 4773:A beehive 4757:Assembled 4520:1-uniform 4294:Octahedral 4057:Octahedral 3939:tessellate 3875:such that 3822:such that 3724:Octahedron 3695:octahedron 3491:concurrent 3298:honeycombs 3259:Fish-tail 3170:octahedron 3167:projection 3062:Alternated 2926:alternated 2913:symmetry. 2824:Hexagonal 2676:Dissection 2214:reflection 513:Parameters 365:) and six 341:times the 297:tangential 170:Properties 6587:Reinhardt 6496:Enneagram 6486:Heptagram 6476:Pentagram 6443:65537-gon 6301:Digon (2) 6271:Trapezoid 6236:Rectangle 6186:Bicentric 6148:Isosceles 6125:Triangles 6009:orthoplex 5931:9-simplex 5881:8-simplex 5831:7-simplex 5788:6-simplex 5758:5-simplex 5727:Tesseract 5429:MathWorld 5424:"Hexagon" 5065:self-dual 5061:orthoplex 4775:honeycomb 4466:Prismoids 3975:truncated 3963:fullerene 3850:≤ 3791:5-simplex 3629:centroids 3249:Unicursal 3191:with the 3158:, within 3054:Truncated 3044:Stellated 3036:Truncated 2953:dodecagon 2934:stellated 2922:dodecagon 2918:truncated 2904:truncated 2421:2 (2222) 2337:elongated 2124:directed 2004:∑ 1951:∑ 1247:≈ 1240:π 1178:≈ 1126:⋅ 965:≈ 949:≈ 926:≈ 910:≈ 631:∘ 620:⁡ 570:inscribed 416:honeycomb 401:triangles 289:bicentric 271:truncated 89:{6}, t{3} 6562:Isotoxal 6557:Isogonal 6501:Decagram 6491:Octagram 6481:Hexagram 6282:of sides 6211:Harmonic 6112:Polygons 6063:Topics: 6026:demicube 5991:polytope 5985:Uniform 5746:600-cell 5742:120-cell 5695:Demicube 5669:Pentagon 5649:Triangle 5477:CGP Grey 5470:animated 5400:Archived 5370:Archived 5340:Archived 5304:Archived 5164:archived 5111:Havannah 5094:Hexagram 5047:See also 4962:minerals 4956:Hanksite 4790:carapace 4743:graphene 4517:Regular 4277:G(2,0): 3969:and the 3355:Regular 3149:Extended 3136:hexagon 2938:hexagram 2342:, while 2325:isotoxal 2317:isogonal 2136:isogonal 2112:isotoxal 2081:regular 2055:Symmetry 1286:diagonal 1282:inradius 578:inradius 550:diagonal 546:diameter 534:Inradius 447:Elements 383:triangle 353:are 120 287:. It is 209:geometry 190:isotoxal 186:isogonal 144:Dihedral 75:vertices 6582:Regular 6527:Concave 6520:Classes 6428:257-gon 6251:Rhombus 6191:Crossed 6000:simplex 5970:10-cube 5737:24-cell 5723:16-cell 5664:Hexagon 5518:regular 5466:YouTube 5263:Coxeter 5053:24-cell 4991:theatre 4831:Benzene 4625:tr{6,3} 4592:rr{6,3} 3965:fame), 3742:regular 3300:to the 3134:Crossed 3064:h{6} = 3056:t{6} = 3031:Regular 2957:squares 2783:Rhombs 2735:⁄ 2723:zonogon 2719:Coxeter 2415:(2*22) 2409:(*632) 2340:rhombus 2157:general 1262:of its 1006:apothem 1002:polygon 413:beehive 394:squares 355:degrees 343:apothem 263:hexagon 261:regular 244:polygon 213:hexagon 160:degrees 6592:Simple 6537:Cyclic 6532:Convex 6256:Square 6196:Cyclic 6158:Obtuse 6153:Kepler 5940:9-cube 5890:8-cube 5840:7-cube 5797:6-cube 5767:5-cube 5654:Square 5531:Family 5454:Hexnet 5249:  5156:  5025:Taiwan 4879:basalt 4559:r{6,3} 3623:If an 3547:, and 3500:of an 3442:cyclic 2684:6-cube 2437:(22*) 2431:(3*3) 2384:, and 2278:cyclic 1250:0.8270 1023:, and 952:0.6495 442:Euclid 351:angles 293:cyclic 248:simple 215:(from 178:cyclic 174:Convex 6567:Magic 6163:Right 6143:Ideal 6133:Acute 5659:p-gon 5468:– an 5201:arXiv 4759:E-ELT 4526:{6,3} 3659:is a 3440:is a 3340:Form 2443:(××) 2388:, as 2352:kites 2329:duals 2323:, an 2315:, an 2276:), 4 2260:has D 1181:3.464 1070:, so 968:0.866 929:3.464 913:2.598 392:Like 239:gonía 233:γωνία 217:Greek 71:Edges 6597:Skew 6221:Kite 6116:List 6017:cube 5690:Cube 5520:and 5247:ISBN 5229:link 5154:ISBN 5086:: a 5055:: a 4916:The 4009:and 3961:and 3957:(of 3903:> 3713:Cube 3693:and 3691:cube 3689:The 3436:The 3160:cube 3058:{12} 3050:2{3} 3033:{6} 2959:and 2874:Cube 2759:cube 2747:− 1) 2725:(a 2 2346:and 2280:: (Z 2256:The 1336:and 396:and 283:and 265:has 211:, a 201:Self 165:120° 73:and 60:Type 5566:(p) 5464:on 5452:on 5211:doi 4993:in 4885:in 3757:5D 3754:4D 3674:is 3482:bdf 3478:ace 3310:wax 3216:Dih 3210:Dih 3204:Dih 3066:{3} 2832:3D 2780:2D 2533:Dih 2521:Dih 2515:Dih 2510:a1 2501:p2 2492:d2 2483:d2 2474:g2 2465:i4 2455:r12 2435:pmg 2413:cmm 2386:r12 2305:r12 2292:, Z 2288:, Z 2284:, Z 2246:r12 2222:r12 2220:or 2196:a1 2183:g3 2170:p2 2146:d2 2096:i4 2079:r12 1906:If 1280:to 617:cos 444:'s 306:or 227:hex 207:In 6629:: 6071:• 6067:• 6047:21 6043:• 6040:k1 6036:• 6033:k2 6011:• 5968:• 5938:• 5916:21 5912:• 5909:41 5905:• 5902:42 5888:• 5866:21 5862:• 5859:31 5855:• 5852:32 5838:• 5816:21 5812:• 5809:22 5795:• 5765:• 5744:• 5725:• 5704:• 5688:• 5620:/ 5609:/ 5599:/ 5590:/ 5568:/ 5426:. 5396:, 5366:15 5364:. 5360:. 5300:14 5298:. 5292:. 5225:}} 5221:{{ 5209:. 5197:11 5195:. 5191:. 5179:^ 5162:, 4037:. 3953:, 3949:, 3803:A 3748:: 3684:3d 3670:A 3655:A 3649:3d 3551:, 3543:, 3539:, 3535:, 3531:, 3493:. 3485:. 3480:= 3471:, 3467:, 3463:, 3459:, 3455:, 3448:. 3316:. 3154:A 3146:) 2967:. 2948:. 2916:A 2769:. 2649:G2 2618:A2 2441:pg 2427:31 2382:i4 2380:, 2378:g2 2373:. 2367:g6 2362:. 2356:g2 2354:. 2348:p2 2344:d2 2333:i4 2321:d6 2313:p6 2309:a1 2270:3, 2250:a1 2155:g2 2133:p6 2122:g6 2109:d6 1273:. 1266:. 1019:= 627:30 580:, 560:, 536:; 532:= 528:; 524:= 503:AB 488:AB 258:A 236:, 224:, 221:ἕξ 188:, 184:, 180:, 176:, 146:(D 6118:) 6114:( 6104:e 6097:t 6090:v 6055:- 6053:n 6045:k 6038:2 6031:1 6024:- 6022:n 6015:- 6013:n 6007:- 6005:n 5998:- 5996:n 5989:- 5987:n 5914:4 5907:2 5900:1 5864:3 5857:2 5850:1 5814:2 5807:1 5636:n 5634:H 5627:2 5624:G 5616:4 5613:F 5605:8 5602:E 5596:7 5593:E 5587:6 5584:E 5575:n 5571:D 5564:2 5561:I 5553:n 5549:B 5541:n 5537:A 5509:e 5502:t 5495:v 5479:. 5446:. 5432:. 5406:. 5394:" 5379:. 5313:. 5231:) 5213:: 5203:: 5174:. 3913:. 3908:3 3898:a 3893:2 3889:d 3873:2 3870:d 3853:2 3845:a 3840:1 3836:d 3820:1 3817:d 3813:a 3595:. 3592:f 3589:+ 3586:d 3583:+ 3580:b 3577:= 3574:e 3571:+ 3568:c 3565:+ 3562:a 3549:f 3545:e 3541:d 3537:c 3533:b 3529:a 3473:f 3469:e 3465:d 3461:c 3457:b 3453:a 3218:3 3212:1 3206:2 2911:3 2745:m 2743:( 2741:m 2737:2 2733:1 2727:m 2541:1 2539:Z 2535:1 2529:2 2527:Z 2523:2 2517:6 2429:m 2425:p 2419:p 2407:m 2405:6 2403:p 2294:1 2290:2 2286:3 2282:6 2274:2 2272:D 2266:6 2262:6 2252:. 2242:g 2238:p 2234:d 2218:6 2039:. 2034:4 2029:i 2025:d 2019:6 2014:1 2011:= 2008:i 2000:4 1997:= 1992:2 1987:) 1981:2 1976:i 1972:d 1966:6 1961:1 1958:= 1955:i 1946:( 1919:i 1915:d 1891:. 1887:) 1881:2 1877:L 1871:2 1867:R 1863:2 1860:+ 1855:2 1850:) 1844:2 1840:L 1836:+ 1831:2 1827:R 1822:( 1816:( 1812:3 1809:= 1804:4 1799:6 1795:d 1791:+ 1786:4 1781:4 1777:d 1773:+ 1768:4 1763:2 1759:d 1755:= 1750:4 1745:5 1741:d 1737:+ 1732:4 1727:3 1723:d 1719:+ 1714:4 1709:1 1705:d 1683:, 1679:) 1673:2 1669:L 1665:+ 1660:2 1656:R 1651:( 1647:3 1644:= 1639:2 1634:6 1630:d 1626:+ 1621:2 1616:4 1612:d 1608:+ 1603:2 1598:2 1594:d 1590:= 1585:2 1580:5 1576:d 1572:+ 1567:2 1562:3 1558:d 1554:+ 1549:2 1544:1 1540:d 1518:, 1514:) 1508:2 1504:L 1500:+ 1495:2 1491:R 1486:( 1482:2 1479:= 1474:2 1469:6 1465:d 1461:+ 1456:2 1451:3 1447:d 1443:= 1438:2 1433:5 1429:d 1425:+ 1420:2 1415:2 1411:d 1407:= 1402:2 1397:4 1393:d 1389:+ 1384:2 1379:1 1375:d 1349:i 1345:d 1324:L 1304:R 1237:2 1230:3 1225:3 1194:. 1189:2 1185:r 1166:3 1159:2 1155:r 1151:2 1148:= 1143:2 1137:3 1132:r 1129:4 1123:r 1117:= 1105:2 1101:p 1098:a 1092:= 1085:A 1056:3 1051:r 1048:4 1045:= 1042:R 1039:6 1036:= 1025:p 1021:r 1017:a 1013:p 1009:a 981:. 976:2 972:d 960:2 956:D 937:2 933:r 921:2 917:R 898:2 894:d 888:2 884:3 878:= 875:d 872:D 867:4 864:3 859:= 854:2 850:D 844:8 838:3 833:3 827:= 815:2 811:r 805:3 800:2 797:= 794:r 791:R 788:3 785:= 780:2 776:R 770:2 764:3 759:3 753:= 746:A 716:. 713:D 708:2 704:3 698:= 695:d 675:t 670:2 666:3 660:= 657:R 652:2 648:3 642:= 639:R 636:) 623:( 614:= 611:r 608:= 605:d 600:2 597:1 582:r 574:d 566:t 562:R 554:D 538:t 530:r 522:R 474:. 458:= 379:6 377:D 369:( 361:( 325:3 321:2 162:) 158:( 148:6 79:6 37:. 30:. 23:.

Index

Hexagonal crystal family
Hexagon (disambiguation)
Hexagonal (CONCACAF)

Regular polygon
Edges
vertices
Schläfli symbol
Coxeter–Dynkin diagrams
Symmetry group
Dihedral
Internal angle
degrees
Convex
cyclic
equilateral
isogonal
isotoxal
Dual polygon
geometry
Greek
polygon
simple
regular
Schläfli symbol
truncated
equilateral triangle
equilateral
equiangular
bicentric

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