| Uniform Decagonal antiprism | |
|---|---|
| Type | Prismatic uniform polyhedron |
| Elements | F = 22, E = 40 V = 20 (χ = 2) |
| Faces by sides | 20{3}+2{10} |
| Schläfli symbol | s{2,10} |
| Wythoff symbol | | 2 2 10 2 | 2 20 |
| Coxeter-Dynkin | |
| Symmetry | D10d, [2+,20], (2*10) |
| References | U77(g) |
| Dual | Decagonal trapezohedron |
| Properties | convex |
Vertex figure 3.3.3.10 |
|
In geometry, the decagonal antiprism is the eighth in an infinite set of antiprisms formed by an even-numbered sequence of triangle sides closed by two polygon caps.
If faces are all regular, it is a semiregular polyhedron.