Decagonal prism
Uniform Decagonal prism  

Type  Prismatic uniform polyhedron 
Elements  F = 12, E = 30, V = 20 (χ = 2) 
Faces by sides  10{4}+2{10} 
Schläfli symbol  t{2,10} or {10}x{} 
Wythoff symbol  2 10  2 2 2 5  
Coxeter diagrams 

Symmetry  D_{10h}, [10,2], (*10.2.2), order 40 
Rotation group  D_{10}, [10,2]^{+}, (10.2.2), order 20 
References  U_{76(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 fourdimensional uniform 4polytopes:
Runcitruncated 120cell 
Omnitruncated 120cell 
Related polyhedra
Polyhedron  

Coxeter  
Tiling  
Config.  3.4.4  4.4.4  5.4.4  6.4.4  7.4.4  8.4.4  9.4.4  10.4.4  11.4.4  12.4.4 
External links
 Weisstein, Eric W. "Prism". MathWorld.
 3d model of a Decagonal Prism
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