Bigyrate diminished rhombicosidodecahedron
| Bigyrate diminished rhombicosidodecahedron | |
|---|---|
 | |
| Type |
Johnson J78 - J79 - J80 |
| Faces |
3+6x2 triangles 3+11x2 squares 3+4x2 pentagons 1 decagon |
| Edges | 105 |
| Vertices | 55 |
| Vertex configuration |
5x2(4.5.10) 10x2(3.42.5) 3+11x2(3.4.5.4) |
| Symmetry group | Cs |
| Dual polyhedron | - |
| Properties | convex |
| Net | |
 | |
In geometry, the bigyrate diminished rhombicosidodecahedron is one of the Johnson solids (J79). It can be constructed as a rhombicosidodecahedron with two pentagonal cupolae rotated through 36 degrees, and a third pentagonal cupola removed. (None of the cupolae can be adjacent.)
A Johnson solid is one of 92 strictly convex polyhedra that have regular faces but are not uniform (that is, they are not Platonic solids, Archimedean solids, prisms, or antiprisms). They were named by Norman Johnson, who first listed these polyhedra in 1966.[1]
External links
- ↑ Johnson, Norman W. (1966), "Convex polyhedra with regular faces", Canadian Journal of Mathematics, 18: 169–200, doi:10.4153/cjm-1966-021-8, MR 0185507, Zbl 0132.14603 .
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