Versi-Regular Polyhedra

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(Uniform #15) Cubohemioctahedron
Vertices:  12  (12[4])
Faces:10  (6 squares + 4 regular hexagons)
Edges:24
Symmetry:  Full Octahedral  (Oh)
Dihedral Angle:  acos(sqrt(3)/3)    ≈54.735610317 degrees
Dual Solid:  Hexahemioctacron
(values below based on edge length = 1)
Circumscribed Radius:  1
Midscribed Radius:  sqrt(3)/2    ≈0.86602540378443864676
Hexagon Center Radius:  0
Square Center Radius:  sqrt(2)/2    ≈0.70710678118654752440


References:[1]Jean Paul Albert Badoureau, Mémoire sur les Figures Isocèles,
Journal de l'École polytechnique 49 (1881), 47-172.