| bgcolor=#e7dcc3 colspan=2|Tridiminished icosahedron |
| lign=center colspan=2| |
| gcolor=#e7dcc3|Type | Johnson |
| gcolor=#e7dcc3|Faces | 5 triangles, 3 pentagons |
| gcolor=#e7dcc3|Edges | 15 |
| gcolor=#e7dcc3|Vertices | 9 |
| gcolor=#e7dcc3|Vertex configuration | 3 of 33.5
6 of 3.52 |
| gcolor=#e7dcc3|Symmetry group | C3v |
| gcolor=#e7dcc3|Dual polyhedron | - |
| gcolor=#e7dcc3|Properties | convex |
In