Acronym | sird |
TOCID symbol | rd|ID |
Name | small rhombidodecahedron |
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Circumradius | sqrt[sqrt(5)+11/4] = 2.232951 |
Vertex figure | [10/9,4/3,10,4]/0 |
General of army | srid |
Colonel of regiment | srid |
Dihedral angles |
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Face vector | 60, 120, 42 |
Confer |
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External links |
As abstract polytope sird is isomorphic to gird, thereby replacing decagons by decagrams.
This polyhedron is an edge-faceting of the small rhombicosidodecahedron (srid).
Incidence matrix according to Dynkin symbol
reduced( x5/2x5x , by 12{10/2} ) or reduced( x3/2x5x , by 20{6/2} ) 60 | 2 2 | 2 2 ---+-------+------ 2 | 60 * | 1 1 at pseudo {3} 2 | * 60 | 1 1 at pseudo {5} ---+-------+------ 4 | 2 2 | 30 * 10 | 5 5 | * 12
or (only as abstract polyhedron) 60 | 4 | 2 2 ---+-----+------ 2 | 120 | 1 1 ---+-----+------ 4 | 4 | 30 * 10 | 10 | * 12
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