Acronym | siddy |
TOCID symbol | di|ID* |
Name | small dodekicosahedron |
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Circumradius | sqrt[(17+3 sqrt(5))/8] = 1.721489 |
Vertex figure | [10/9,6/5,10,6]/0 |
General of army | f3o5x |
Colonel of regiment | siid |
Dihedral angles |
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Face vector | 60, 120, 32 |
Confer |
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As abstract polytope siddy is isomorphic to giddy, thereby replacing decagons by decagrams.
This polyhedron is an edge-faceting of the small icosicosidodecahedron (siid).
Incidence matrix according to Dynkin symbol
reduced( x3/2x3x5*a , by 20{6/2} ) or reduced( x5/4x3x5*a , by 12{10/4} ) 60 | 2 2 | 2 2 ---+-------+------ 2 | 60 * | 1 1 at pseudo {3} 2 | * 60 | 1 1 at pseudo {5/2} ---+-------+------ 6 | 3 3 | 20 * 10 | 5 5 | * 12
or (as abstract polyhedron, but no isotoxal realization exists) 60 | 4 | 2 2 ---+-----+------ 2 | 120 | 1 1 ---+-----+------ 6 | 6 | 20 * 10 | 10 | * 12
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