Pentagonal antiprism
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| Uniform Pentagonal antiprism | |
|---|---|
 |
|
| Type | Prismatic uniform polyhedron |
| Elements | F = 12, E = 20 V = 10 (χ = 2) |
| Faces by sides | 10{3}+2{5} |
| Schläfli symbol | s{2,5} |
| Wythoff symbol | | 2 2 5 |
| Coxeter-Dynkin |    |
| Symmetry | D5d |
| References | U77(c) |
| Dual | Pentagonal trapezohedron |
| Properties | convex |
 Vertex figure 3.3.3.5 |
|
In geometry, the pentagonal antiprism is the third 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. It can also be considered as a parabidiminished icosahedron.
[edit] See also
- Set of antiprisms
- Octahedron Triangle-capped antiprism
- Square antiprism
- Hexagonal antiprism
- Octagonal antiprism
[edit] External links
- Eric W. Weisstein, Antiprism at MathWorld.
- Pentagonal Antiprism: Interactive Polyhedron Model
- Virtual Reality Polyhedra www.georgehart.com: The Encyclopedia of Polyhedra
- VRML model
- Conway Notation for Polyhedra Try: "A5"
