Decagrammic antiprism

Decagrammic antiprism
Decagrammic antiprism
Antiprism 10-3.png
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
Dual polyhedron Decagrammic deltohedron
Properties nonconvex
Vertex figure
Decagrammic antiprism-3-10 vertfig.png

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.


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