Ninth noble kipiscoidal hecatonicosahedron

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Ninth noble kipiscoidal hecatonicosahedron
Rank3
TypeNoble
Elements
Faces120 asymmetric pentagons
Edges60+60+60+120
Vertices120
Vertex figureAsymmetric pentagon
Measures (edge lengths ≈0.56424, ≈0.67399, ≈1.84146, ≈1.90958)
Edge length ratio≈3.38434
Circumradius1
Related polytopes
ArmySemi-uniform Grid, edge lengths ≈0.25957 (between rectangle and ditrigon), ≈0.50099 (between rectangle and dipentagon), ≈0.05784 (between ditrigon and dipentagon)
DualFourth noble kisombreroidal hecatonicosahedron
Convex coreNon-Catalan disdyakis triacontahedron
Abstract & topological properties
Flag count1200
Euler characteristic–60
OrientableYes
Genus31
Properties
SymmetryH3, order 120
Flag orbits10
ConvexNo
NatureTame
History
Discovered byPlasmath
First discovered2023

The ninth noble kipiscoidal hecatonicosahedron is a noble polyhedron. Its 120 congruent faces are asymmetric pentagons that meet at congruent order-5 vertices. It is a faceting of a semi-uniform great rhombicosidodecahedral convex hull.

The ratio between the shortest and longest edges is approximately 1:3.38434.

Gallery[edit | edit source]

Related polyhedra[edit | edit source]

It has a very similar appearance to the tenth noble kipiscoidal hecatonicosahedron.