Enneagonal-octahedral duotegum
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| Enneagonal-octahedral duotegum | |
|---|---|
| Rank | 5 |
| Type | Uniform dual |
| Notation | |
| Coxeter diagram | m9o2m4o3o (      ) |
| Elements | |
| Tera | 72 triangular scalenes |
| Cells | 72 triangular pyramids, 108 digonal disphenoids |
| Faces | 8 triangles, 54+108 isosceles triangles |
| Edges | 9+12+54 |
| Vertices | 6+9 |
| Vertex figure | 9 octahedral tegums, 6 square-enneagonal duotegums |
| Measures (edge length 1) | |
| Central density | 1 |
| Related polytopes | |
| Dual | Enneagonal-cubic duoprism |
| Abstract & topological properties | |
| Euler characteristic | 2 |
| Orientable | Yes |
| Properties | |
| Symmetry | B3×I2(9), order 864 |
| Convex | Yes |
| Nature | Tame |
The enneagonal-octahedral duotegum is an isoteric duotegum that consists of 72 triangular scalenes and 15 vertices.