Trigonal trapezohedron
| Trigonal trapezohedron | |
|---|---|
| Type | trapezohedron |
| Conway notation | dA3 |
| Coxeter diagram | |
| Faces | 6 rhombi |
| Edges | 12 |
| Vertices | 8 |
| Face configuration | 3,3,3,3 |
| Symmetry group | D3d, [2+,6], (2*3), order 12 |
| Rotation group | D3, [2,3]+, (223), order 6 |
| Dual polyhedron | trigonal antiprism |
| Properties | convex, equilateral polygon, face-transitive, zonohedron, parallelohedron |
In geometry, a trigonal trapezohedron is a polyhedron with six congruent quadrilateral faces, which may be scalene or rhomboid. The variety with rhombus-shaped faces faces is a rhombohedron. An alternative name for the same shape is the trigonal deltohedron.