Self-Intersecting Truncated Quasi-Regular Polyhedra

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(Uniform #59) Truncated Dodecadodecahedron
Vertices:  120  (120[3])
Faces:54  (30 squares + 12 regular decagons + 12 regular decagrams)
Edges:180
Symmetry:  Full Icosahedral  (Ih)
Decagon-Square Angle:  acos(sqrt(10*(5−sqrt(5)))/10)    ≈58.282525589 degrees
Decagon-Decagram Angle:  acos(sqrt(5)/5)    ≈63.434948823 degrees
Decagram-Square Angle:  acos(−sqrt(10*(5+sqrt(5)))/10)    ≈148.282525589 degrees
Dual Solid:  Medial Disdyakis Triacontahedron
(values below based on edge length = 1)
Circumscribed Radius:  sqrt(11)/2    ≈1.6583123951776999246
Midscribed Radius:  sqrt(10)/2    ≈1.5811388300841896660
Decagon Center Radius:  −sqrt(5−2*sqrt(5))/2    ≈−0.363271264002680442948
Square Center Radius:  3/2    1.5
Decagram Center Radius:  sqrt(5+2*sqrt(5))/2    ≈1.5388417685876267013


References:[1]Jean Paul Albert Badoureau, Mémoire sur les Figures Isocèles,
Journal de l'École polytechnique 49 (1881), 47-172.
[2]Johann Pitsch, Über Halbreguläre Sternpolyeder,
Zeitschrift für das Realschulwesen 6 (1881), 9-24, 64-65, 72-89, 216.