Pentagonal-enneagonal duotegum
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| Pentagonal-enneagonal duotegum | |
|---|---|
| Rank | 4 |
| Type | Uniform |
| Notation | |
| Coxeter diagram | m5o2m9o |
| Elements | |
| Cells | 45 digonal disphenoids |
| Faces | 45+45 isosceles triangles |
| Edges | 5+9+45 |
| Vertices | 5+9 |
| Vertex figure | 9 pentagonal tegums, 5 enneagonal tegums |
| Measures (edge length 1) | |
| Central density | 1 |
| Related polytopes | |
| Dual | Pentagonal-enneagonal duoprism |
| Conjugates | Pentagonal-enneagrammic duotegum, Pentagonal-great enneagrammic duotegum, Pentagrammic-enneagonal duotegum, Pentagrammic-enneagrammic duotegum, Pentagrammic-great enneagrammic duotegum |
| Abstract & topological properties | |
| Euler characteristic | 0 |
| Orientable | Yes |
| Properties | |
| Symmetry | H2×I2(9), order 180 |
| Convex | Yes |
| Nature | Tame |
The pentagonal-enneagonal duotegum, also known as the 5-9 duotegum, is a duotegum that consists of 45 digonal disphenoids and 14 vertices.
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