Decagrammic antiprism
Polyhedron with 22 faces
In geometry, the decagrammic antiprism is one in an infinite set of nonconvex antiprisms formed by triangle sides and two regular star polygon caps, in this case two decagrams.
| Decagrammic antiprism | |
|---|---|
 | |
| Type | Uniform polyhedron |
| Faces | 2 Decagrams 20 triangles |
| Edges | 40 |
| Vertices | 20 |
| Vertex configuration | 10⁄3.3.3.3 |
| Wythoff symbol | -2 2 10⁄3 |
| Symmetry group | D10d, [2+,20], (2*10), order 40 |
| Dual polyhedron | Decagrammic deltohedron |
| Properties | nonconvex |
| Vertex figure | |
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See also
External links
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