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Small stellated truncated dodecahedron

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Small stellated truncated dodecahedron
Type Uniform star polyhedron
Elements F = 24, E = 90
V = 60 (χ = −6)
Faces by sides 12{5}+12{10/3}
Coxeter diagram
Wythoff symbol 2 5 | 5/3
2 5/4 | 5/3
Symmetry group Ih, [5,3], *532
Index references U58, C74, W97
Dual polyhedron Great pentakis dodecahedron
Vertex figure
5.10/3.10/3
Bowers acronym Quit Sissid

In geometry, the small stellated truncated dodecahedron or quasitruncated small stellated dodecahedron is a nonconvex uniform polyhedron, indexed as U58. It is given a Schläfli symbol t{5/3,5}, and Coxeter diagram .

It has 12 pentagons and 12 decagrams, {10/3} faces.

It shares its vertex arrangement with three other uniform polyhedra: the convex rhombicosidodecahedron, the small dodecicosidodecahedron and the small rhombidodecahedron.

It also has the same vertex arrangement as the uniform compounds of 6 or 12 pentagrammic prisms.


Rhombicosidodecahedron

Small dodecicosidodecahedron

Small rhombidodecahedron

Small stellated truncated dodecahedron

Compound of six pentagrammic prisms

Compound of twelve pentagrammic prisms

See also

  • Weisstein, Eric W. "Small stellated truncated dodecahedron". MathWorld.