 Decagonal Prism
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Decagonal Prism
Uniform decagonal prism Type Prismatic uniform polyhedron
Elements F = 12, E = 30, V = 20 (? = 2)
Faces by sides 10{4}+2{10}
Schläfli symbol t{2,10} or {10}×{}
Wythoff symbol 2 10 | 2
2 2 5 |
Coxeter diagrams                    Symmetry D10h, [10,2], (*10.2.2), order 40
Rotation group D10, [10,2]+, (10.2.2), order 20
References U76(h)
Dual Decagonal dipyramid
Properties convex, zonohedron Vertex figure
4.4.10

In geometry, the decagonal prism is the eighth in the infinite set of prisms, formed by ten square side faces and two regular decagon caps. With twelve faces, it is one of many nonregular dodecahedra. The decagonal prism has 12 faces, 30 edges, and 20 vertices. If faces are all regular, it is a semiregular or prismatic uniform polyhedron.

## Uses

The decagonal prism exists as cells in two four-dimensional uniform 4-polytopes:

 Runcitruncated 120-cell       Omnitruncated 120-cell         