Decagonal trapezohedron

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Decagonal trapezohedron
Tetragonal trapezohedron
Click on picture for large version.
Type trapezohedra
Faces 20 kites
Edges 40
Vertices 22
Face configuration 10,3,3,3
Symmetry group D10d
Dual polyhedron Decagonal antiprism
Properties convex, face-uniform

The decagonal trapezohedron or deltohedron is the eighth in an infinite series of face-uniform polyhedra which are dual polyhedron to the antiprisms. It has twenty faces which are congruent kites.

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