Biscribed Chiral Solids

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Biscribed Propello Dodecahedron
biscribed form
Vertices:  80  (20[3] + 60[4])
Faces:72  (60 irregular tetragons + 12 regular pentagons)
Edges:150  (60 short + 60 medium + 30 long)
Symmetry:  Chiral Icosahedral  (I)
Short Edge Angle:  acos(root[10th-order polynomial])    ≈148.095771634 degrees
Medium Edge Angle:  acos(root[10th-order polynomial])    ≈149.702139093 degrees
Long Edge Angle:  acos(root[10th-order polynomial])    ≈174.225584688 degrees
Dual Solid:  Biscribed Propello Icosahedron
(values below based on inscribed radius = 1)
Short Edge (60):  sqrt(root[10th-order polynomial])    ≈0.34805234201669568231
Medium Edge (60):  sqrt(root[10th-order polynomial])    ≈0.393404020281893505949
Long Edge (30):  sqrt(root[10th-order polynomial])    ≈0.66165449307014834821
Circumscribed Radius:  sqrt(root[10th-order polynomial])    ≈1.0545094845254660429
Inscribed Radius:  1
Volume:sqrt(root[10th-order polynomial])    ≈4.4536332743984569658


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