Bisquare icosahedron (near-miss)
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Bisquare icosahedron (near-miss) | |
---|---|
Rank | 3 |
Type | Near-miss |
Elements | |
Faces | 2 quadrilaterals, 2+2+2+2+2+2+2+2+2 scalene triangles |
Edges | 2+2+2+2+2+2+2+2+2+2+2+2+2+2+2+1 |
Vertices | 1+2+2+2+2+2+2 |
Vertex figures | parallelogram |
2 irregular quadrilateral | |
2 irregular pentagon | |
2 irregular pentagon | |
2 irregular pentagon | |
2 irregular pentagon | |
2 irregular pentagon | |
Measures (edge length 1) | |
Edge length ratio | 1.06594 |
Central density | 1 |
Number of external pieces | 20 |
Related polytopes | |
Conjugate | None |
Abstract & topological properties | |
Euler characteristic | 2 |
Surface | Sphere |
Orientable | Yes |
Genus | 0 |
Properties | |
Symmetry | K2+×I |
Convex | Yes |
Nature | Tame |
The Bisquare icosahedron is a near-miss Johnson solid. Its faces are 2 quadrilaterals and
2+2+2+2+2+2+2+2+2 scalene triangles