Disdyakis triacontahedron

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Disdyakis triacontahedron
Image:Disdyakistriacontahedron.jpg
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TypeCatalan
Face polygonscalene triangle
Faces120
Edges180
Vertices62 = 12 + 20 + 30
Face configurationV4.6.10
Symmetry groupicosahedral (Ih)
Dual polyhedrontruncated icosidodecahedron
Propertiesconvex, face-uniform

A disdyakis triacontahedron, or hexakis icosahedron is the Catalan solid whose Archimedean dual is the truncated icosidodecahedron. As such it is face uniform but with irregular face polygons. It looks a bit like an inflated rhombic triacontahedron—if one replaces each face of the rhombic triacontahedron with a single vertex and four triangles in a regular fashion one ends up with a disdyakis triacontahedron. Side lengths for r=12: s1=4.35411996 s2=6.55839670 s3=7.69022184 (Calculated by Garrith McLean)

See also

Template:Polyhedron-stubes:Triacontaedro disdiakis fr:Hexaki icosaèdre pt:Triacontaedro disdiakis