Dodecagonal prism
Appearance
Uniform dodecagonal prism | |
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Type | Prismatic uniform polyhedron |
Elements | F = 14, E = 36, V = 24 (χ = 2) |
Faces by sides | 12{4}+2{12} |
Schläfli symbol | t{2,12} or {12}×{} |
Wythoff symbol | 2 12 | 2 2 2 6 | |
Coxeter diagrams | ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Symmetry | D12h, [12,2], (*12.2.2), order 48 |
Rotation group | D12, [12,2]+, (12.2.2), order 24 |
References | U76(j) |
Dual | Dodecagonal dipyramid |
Properties | convex, zonohedron |
![]() Vertex figure 4.4.12 |
In geometry, the dodecagonal prism is the tenth in an infinite set of prisms, formed by square sides and two regular dodecagon caps.
If faces are all regular, it is a uniform polyhedron.
Use
[edit]It is used in the construction of two prismatic uniform honeycombs:
![]() Omnitruncated triangular-hexagonal prismatic honeycomb ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() Truncated hexagonal prismatic honeycomb ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
The new British one pound (£1) coin, which entered circulation in March 2017, is shaped like a dodecagonal prism.[1]
Related polyhedra
[edit]Family of uniform n-gonal prisms |
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References
[edit]- ^ "New 12-sided pound coin to enter circulation in March". BBC News. 2017-01-01. Retrieved 2017-04-20.