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Pentagonal tiling information


The 15th monohedral convex pentagonal type, discovered in 2015

In geometry, a pentagonal tiling is a tiling of the plane where each individual piece is in the shape of a pentagon.

A regular pentagonal tiling on the Euclidean plane is impossible because the internal angle of a regular pentagon, 108°, is not a divisor of 360°, the angle measure of a whole turn. However, regular pentagons can tile the hyperbolic plane with four pentagons around each vertex (or more) and sphere with three pentagons; the latter produces a tiling that is topologically equivalent to the dodecahedron.[1]

  1. ^ Chung, Ping Ngai; Fernandez, Miguel A.; Li, Yifei; Mara, Michael; Morgan, Frank; Plata, Isamar Rosa; Shah, Nirlee; Vieira, Luis Sordo; Wikner, Elena (2012-05-01), "Isoperimetric Pentagonal Tilings", Notices of the American Mathematical Society, 59 (5): 632, doi:10.1090/noti838, ISSN 0002-9920

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Pentagonal tiling

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geometry, a pentagonal tiling is a tiling of the plane where each individual piece is in the shape of a pentagon. A regular pentagonal tiling on the Euclidean...

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particular form of the tiling, dual to the snub square tiling, has tiles with the minimum possible perimeter among all pentagonal tilings. Another, overlaying...

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Penrose tiling

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Penrose tiling is an example of an aperiodic tiling. Here, a tiling is a covering of the plane by non-overlapping polygons or other shapes, and a tiling is...

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Snub trihexagonal tiling

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pentagonal tiling is a dual semiregular tiling of the Euclidean plane. It is one of the 15 known isohedral pentagon tilings. Its six pentagonal tiles...

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Elongated triangular tiling

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tiling is a semiregular tiling of the Euclidean plane. There are three triangles and two squares on each vertex. It is named as a triangular tiling elongated...

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Regular dodecahedron

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regular dodecahedron or pentagonal dodecahedron is a dodecahedron that is regular, which is composed of 12 regular pentagonal faces, three meeting at...

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Marjorie Rice

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American amateur mathematician most famous for her discoveries of pentagonal tilings in geometry. Rice was born February 16, 1923, in St. Petersburg, Florida...

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Tessellation

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wallpaper groups. A tiling that lacks a repeating pattern is called "non-periodic". An aperiodic tiling uses a small set of tile shapes that cannot form...

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Pentagon

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echinoderms with a pentagonal shape. A Ho-Mg-Zn icosahedral quasicrystal formed as a pentagonal dodecahedron. The faces are true regular pentagons. A pyritohedral...

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Dodecadodecahedron

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quotient space of the hyperbolic order-4 pentagonal tiling, by distorting the pentagrams back into regular pentagons. As such, it is topologically a regular...

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Dihedron

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called bihedra, flat polyhedra, or doubly covered polygons. As a spherical tiling, a dihedron can exist as nondegenerate form, with two n-sided faces covering...

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Great dodecahedron

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composed of 12 pentagonal faces (six pairs of parallel pentagons), intersecting each other making a pentagrammic path, with five pentagons meeting at each...

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Hexagonal tiling

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In geometry, the hexagonal tiling or hexagonal tessellation is a regular tiling of the Euclidean plane, in which exactly three hexagons meet at each vertex...

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List of Euclidean uniform tilings

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colorings of the 11 uniform tilings: Triangular tiling – 9 uniform colorings, 4 wythoffian, 5 nonwythoffian           Square tiling – 9 colorings: 7 wythoffian...

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Equilateral pentagon

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March 2011, 102-107. Schattschneider, Doris (1978), "Tiling the plane with congruent pentagons", Mathematics Magazine, 51 (1): 29–44, doi:10.1080/0025570X...

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Snub triheptagonal tiling

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triangles: The dual tiling is called an order-7-3 floret pentagonal tiling, and is related to the floret pentagonal tiling. This semiregular tiling is a member...

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