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Decagrammic prism

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Decagrammic prism
TypeUniform polyhedron
Faces2 Decagrams
10 squares
Edges30
Vertices20
Vertex configuration10/3.4.4
Wythoff symbol2 10/3 | 2
Symmetry groupD10h, [2,10],(*2.10.10), order 40
Dual polyhedronDecagrammic bipyramid
Propertiesnonconvex
Vertex figure
3D model of a (uniform) decagrammic prism.

In geometry, the decagrammic prism is one of an infinite set of nonconvex prisms formed by squares sides and two regular star polygon caps, in this case two decagrams.

It has 12 faces (10 squares and 2 decagrams), 30 edges, and 20 vertices.