Decagonal trapezohedron
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Wikipedia : http://en.wikipedia.org/wiki/Decagonal_trapezohedronDecagonal trapezohedron  

Type  trapezohedra 
Conway  dA10 
Coxeter diagram 

Faces  20 kites 
Edges  40 
Vertices  22 
Face configuration  V10.3.3.3 
Symmetry group  D_{10d}, [2^{+},20], (2*10), order 40 
Rotation group  D_{10}, [2,10]^{+}, (2.2.10), order 20 
Dual polyhedron  Decagonal antiprism 
Properties  convex, facetransitive 
The decagonal trapezohedron (or decagonal deltohedron) is the eighth in an infinite series of faceuniform polyhedra which are dual polyhedra to the antiprisms. It has twenty faces which are congruent kites.^{[citation needed]}
See also
Family of trapezohedra V.n.3.3.3  

Polyhedron  
Tiling  
Config.  V2.3.3.3  V3.3.3.3  V4.3.3.3  V5.3.3.3  V6.3.3.3  V7.3.3.3  V8.3.3.3  ...V10.3.3.3  ...V12.3.3.3  ...V∞.3.3.3 
External links
 Weisstein, Eric W. "Trapezohedron". MathWorld.

Virtual Reality Polyhedra The Encyclopedia of Polyhedra
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