Octagonal antiprism
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| Uniform Octagonal antiprism | |
|---|---|
 |
|
| Type | Semiregular polyhedron |
| Elements | F=18, E=32, V=16 (χ=2) |
| Faces by sides | 16{3}+2{8} |
| Schläfli symbol | s{2,8} |
| Wythoff symbol | | 2 2 8 |
| Coxeter-Dynkin |    |
| Symmetry | D8d |
| References | U77(f) |
| Dual | Octagonal trapezohedron |
| Properties | convex |
 Vertex figure 3.3.3.8 |
|
In geometry, the octagonal antiprism is the fifth 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.
[edit] See also
- Set of antiprisms
- Octahedron Triangle-capped antiprism
- Square antiprism
- Pentagonal antiprism
- Hexagonal antiprism
[edit] External links
- Eric W. Weisstein, Antiprism at MathWorld.
- Virtual Reality Polyhedra www.georgehart.com: The Encyclopedia of Polyhedra
- VRML model
- Conway Notation for Polyhedra Try: "A8"
