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- between x2f and f5/2o: arccos(-sqrt[(5+sqrt(5))/10]) = 148.282526°
- between x3o and x2f: arccos(sqrt[(3+sqrt(5))/6]) = 20.905158°
| Acronym | ... |
| Name | icosidodecahedron faceting |
| Circumradius | (1+sqrt(5))/2 = 1.618034 |
| |
| Dihedral angles |
|
| Face vector | 30, 120, 62 |
| Confer |
Within this faceting the triangles feature as retrograde wrt. the other faces.
30 | 4 4 | 2 4 2 ---+-------+--------- 2 | 60 * | 1 1 0 x 2 | * 60 | 0 1 1 f ---+-------+--------- 3 | 3 0 | 20 * * x3o 4 | 2 2 | * 30 * x2f 5 | 0 5 | * * 12 f5/2o
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