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| Decagonal trapezohedron | |
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 Click on picture for large version. |
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| 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-transitive |
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.
