Triaugmented truncated dodecahedron
| Triaugmented truncated dodecahedron | |
|---|---|
 | |
| Type | Johnson J70 - J71 - J72 |
| Faces | 2+3x3+4x6 triangles 3+2x6 squares 3 pentagons 3.3 decagons |
| Edges | 135 |
| Vertices | 75 |
| Vertex configuration | 4x3+3x6(3.102) 3+2x6(3.4.5.4) 5x6(3.4.3.10) |
| Symmetry group | C3v |
| Dual polyhedron | - |
| Properties | convex |
| Net | |
 | |
In geometry, the triaugmented truncated dodecahedron is one of the Johnson solids (J71); of them, it has the greatest volume in proportion to side length.
A Johnson solid is one of 92 strictly convex polyhedra that is composed of regular polygon faces but are not uniform polyhedra (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
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- ^ 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.