Octagonal antiprism

Uniform Octagonal antiprism
Type	Prismatic uniform 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 2 | 2 16
Coxeter-Dynkin
Symmetry	D8d, [2+,16], (2*8)
References	U77(f)
Dual	Octagonal trapezohedron
Properties	convex
Vertex figure 3.3.3.8

In geometry, the octagonal antiprism is the 6th 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.

See also

• Set of antiprisms
• Octahedron Triangle-capped antiprism
• Square antiprism
• Pentagonal antiprism
• Hexagonal antiprism

External links

• Weisstein, Eric W., "Antiprism" from MathWorld.
• Octagonal Antiprism -- Interactive Polyhedron Model
• Virtual Reality Polyhedra www.georgehart.com: The Encyclopedia of Polyhedra
  • VRML model
  • Conway Notation for Polyhedra Try: "A8"

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