Pentagrammic Antiprism
Pentagrammic Antiprism is a uniform polyhedron, with 10 vertices, 20 edges and 12 faces, symmetry group D5d of order 20.
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prism-family star uniform
Properties
- Vertices
- 10
- Edges
- 20
- Faces
- 12
- Convex
- no
- Density
- 2
- Symmetry
- D5d
- Orbifold
- 2*5
- Symmetry order
- 20
- Circumradius
- {'value': 0.5877852522924737, 'exact': 'sqrt(10-2*sqrt(5))/4', 'source': 'pslq'}
- Inradius
- [{'face': '{3}', 'exact': 'sqrt(42-18*sqrt(5))/12', 'value': 0.11026408970826812}, {'face': '{5}', 'exact': 'sqrt(50-10*sqrt(5))/20', 'value': 0.2628655560595671}]
- Midradius
- {'value': 0.3090169943749478, 'exact': '(-1+sqrt(5))/4', 'source': 'pslq'}