Enneagonal Trapezohedron
Enneagonal Trapezohedron is a convex polyhedron, with 20 vertices, 36 edges and 18 faces, symmetry group D9d of order 36.
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convex dipyramid prism-family
Properties
- Vertices
- 20
- Edges
- 36
- Faces
- 18
- Convex
- yes
- Density
- 1
- Symmetry
- D9d
- Orbifold
- 2*9
- Symmetry order
- 36
- Dual
- enneagonal-antiprism
- Volume
- {'value': 7.07182261995278, 'exact': None}
- Surface area
- {'value': 22.458501865679573, 'exact': None}
- Inradius
- [{'face': '{4}', 'exact': None, 'value': 0.9446519623946603}]
- Midradius
- {'value': 1.0000000000000002, 'exact': '1', 'source': 'pslq'}