Derived Solids

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Expanded Cuboctahedron (canonical)
canonical form
Vertices:  48  (24[4] + 24[4])
Faces:50  (8 equilateral triangles + 6 squares + 12 rhombi
    + 24 isosceles trapezoids)
Edges:96  (24 short + 48 medium + 24 long)
Symmetry:  Full Octahedral  (Oh)
(values below based on edge-scribed radius = 1)
Short Edge (24):  sqrt(root[8th-order polynomial])    ≈0.46972045047354051787
Medium Edge (48):  sqrt(root[8th-order polynomial])    ≈0.52334558639128002957
Long Edge (24):  sqrt(root[8th-order polynomial])    ≈0.57697072230901954127
Rhombus Length:  sqrt(root[8th-order polynomial])    ≈0.77711656911613231437
Rhombus Width:  sqrt(root[8th-order polynomial])    ≈0.70117918479237712119
Rhombus Angle:  acos(root[8th-order polynomial])    ≈84.118807718 degrees
Edge-scribed Radius:  1
Volume:root[8th-order polynomial]    ≈4.0465896055629099430