Trapezohedron
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| Pentagonal trapezohedron | |
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 Click on picture for large version. | |
| Type | Trapezohedron |
| Faces | 2n kites |
| Edges | 4n |
| Vertices | 2n+2 |
| Face configuration | n,3,3,3 |
| Symmetry group | Dnd |
| Dual polyhedron | antiprism |
| Properties | convex, semi-regular (face-uniform) |
The trapezohedron is the dual polyhedron of the corresponding antiprism. Its faces are congruent kites or deltoids. None of the faces are trapezoids, so the name is misleading. A trapezohedron is also known as a deltohedron. A deltohedron should not be confused with a deltahedron (spelled with an "a").