Pentagonal Trapezohedron
Pentagonal Trapezohedron is a convex polyhedron, with 12 vertices, 20 edges and 10 faces, symmetry group D5d of order 20.
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convex dipyramid prism-family
Properties
- Vertices
- 12
- Edges
- 20
- Faces
- 10
- Convex
- yes
- Density
- 1
- Symmetry
- D5d
- Orbifold
- 2*5
- Symmetry order
- 20
- Dual
- pentagonal-antiprism
- Volume
- {'value': 4.120226591665962, 'exact': '10*(-1+sqrt(5))/3', 'source': 'pslq'}
- Surface area
- {'value': 14.53085056010721, 'exact': 'sqrt(2000-800*sqrt(5))', 'source': 'pslq'}
- Inradius
- [{'face': '{4}', 'exact': 'sqrt(50+10*sqrt(5))/10', 'value': 0.8506508083520401}]
- Midradius
- {'value': 1.0000000000000002, 'exact': '1', 'source': 'pslq'}