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In geometry, the 4-5 kisrhombille or order-4 bisected pentagonal tiling is a semiregular dual tiling of the hyperbolic plane. It is constructed by congruent right triangles with 4, 8, and 10 triangles meeting at each vertex.
4-5 kisrhombille | |
---|---|
![]() | |
Type | Dual semiregular hyperbolic tiling |
Faces | Right triangle |
Edges | Infinite |
Vertices | Infinite |
Coxeter diagram | ![]() ![]() ![]() ![]() ![]() |
Symmetry group | [5,4], (*542) |
Rotation group | [5,4]+, (542) |
Dual polyhedron | truncated tetrapentagonal tiling |
Face configuration | V4.8.10 |
Properties | face-transitive |
The name 4-5 kisrhombille is by Conway, seeing it as a 4-5 rhombic tiling, divided by a kis operator, adding a center point to each rhombus, and dividing into four triangles.
The image shows a Poincaré disk model projection of the hyperbolic plane.
It is labeled V4.8.10 because each right triangle face has three types of vertices: one with 4 triangles, one with 8 triangles, and one with 10 triangles.
It is the dual tessellation of the truncated tetrapentagonal tiling which has one square and one octagon and one decagon at each vertex.
*n42 symmetry mutation of omnitruncated tilings: 4.8.2n | ||||||||
---|---|---|---|---|---|---|---|---|
Symmetry *n42 [n,4] |
Spherical | Euclidean | Compact hyperbolic | Paracomp. | ||||
*242 [2,4] |
*342 [3,4] |
*442 [4,4] |
*542 [5,4] |
*642 [6,4] |
*742 [7,4] |
*842 [8,4]... |
*∞42 [∞,4] | |
Omnitruncated figure |
![]() 4.8.4 |
![]() 4.8.6 |
![]() 4.8.8 |
![]() 4.8.10 |
![]() 4.8.12 |
![]() 4.8.14 |
![]() 4.8.16 |
![]() 4.8.∞ |
Omnitruncated duals |
![]() V4.8.4 |
![]() V4.8.6 |
![]() V4.8.8 |
![]() V4.8.10 |
![]() V4.8.12 |
![]() V4.8.14 |
![]() V4.8.16 |
![]() V4.8.∞ |
Uniform pentagonal/square tilings | |||||||||||
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Symmetry: [5,4], (*542) | [5,4]+, (542) | [5+,4], (5*2) | [5,4,1+], (*552) | ||||||||
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{5,4} | t{5,4} | r{5,4} | 2t{5,4}=t{4,5} | 2r{5,4}={4,5} | rr{5,4} | tr{5,4} | sr{5,4} | s{5,4} | h{4,5} | ||
Uniform duals | |||||||||||
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V54 | V4.10.10 | V4.5.4.5 | V5.8.8 | V45 | V4.4.5.4 | V4.8.10 | V3.3.4.3.5 | V3.3.5.3.5 | V55 |
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