Propellor Solids

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Propello Dodecahedron (canonical)
canonical form
Vertices:  80  (20[3] + 60[4])
Faces:72  (60 tri-equiangular kites + 12 regular pentagons)
Edges:150  (60 short + 90 long)
Symmetry:  Chiral Icosahedral  (I)
Dual Solid:  Propello Icosahedron
(values below based on edge-scribed radius = 1)
Short Edge (60):  sqrt(root[10th-order polynomial])    ≈0.32924280514454405071
Long Edge (90):  sqrt(root[10th-order polynomial])    ≈0.43916188063293341159
Edge-scribed Radius:  1
Volume:root[10th-order polynomial]    ≈4.0669401814904406937


References:[1]Sculpture Based on Propellorized Polyhedra (George Hart)