Decagrammic antiprism

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

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.

See also

See also

  • Weisstein, Eric W. "Antiprism". MathWorld.
  • Paper models of prisms and antiprisms


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