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Great complex icosidodecahedron
In geometry, the great complex icosidodecahedron is a degenerate uniform star polyhedron. It has 12 vertices, and 60 (doubled) edges, and 32 faces, 12 pentagrams and 20 triangles. All edges are doubled (making it degenerate), sharing 4 faces, but are considered as two overlapping edges as topological polyhedron.
It can be constructed from a number of different vertex figures.
== As a compound ==
The great complex icosidodecahedron can be considered a compound of the small stellated dodecahedron, , and great icosahedron, , sharing the same vertices and edges, while the second is hidden, being completely contained inside the first.
Its two-dimensional analogue would be the compound of a regular pentagon, , and regular pentagram, .
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抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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