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Medial pentagonal hexecontahedron

Star polyhedron with 60 faces From Wikipedia, the free encyclopedia

Medial pentagonal hexecontahedron
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In geometry, the medial pentagonal hexecontahedron is a nonconvex isohedral polyhedron. It is the dual of the snub dodecadodecahedron. It has 60 intersecting irregular pentagonal faces.

Medial pentagonal hexecontahedron
Thumb
TypeStar polyhedron
FaceThumb
ElementsF = 60, E = 150
V = 84 (χ = 6)
Symmetry groupI, [5,3]+, 532
Index referencesDU40
dual polyhedronSnub dodecadodecahedron

Proportions

Denote the golden ratio by φ, and let be the smallest (most negative) real zero of the polynomial Then each face has three equal angles of one of and one of Each face has one medium length edge, two short and two long ones. If the medium length is 2, then the short edges have length and the long edges have length The dihedral angle equals The other real zero of the polynomial P plays a similar role for the medial inverted pentagonal hexecontahedron.

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References

  • Wenninger, Magnus (1983), Dual Models, Cambridge University Press, ISBN 978-0-521-54325-5, MR 0730208


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