49) icosidodecadodecahedron 5/3 5|3 [56,83] dual: medial icosacronic hexecontahedron (6.5/3.6.5), icosahedral group A5, χ=-16, D=4 V=60, E=120, F=44=20{6}+12{5}+12{5/3} α γ a b c ρ/R r/ρ l/ρ h/r {6} 30.0 69.2952 22.21 49.11 45.00 0.925820 0.707107 0.408248 1.000000 {5} 36.0 60.9078 22.21 40.02 34.19 0.925820 0.827201 0.408248 0.679285 {5/3} 108.0 -19.4982 22.21 23.42 7.62 0.925820 0.991163 0.408248 0.133831