31) truncated dodecahedron 2 3|5 [29,10] dual: triakisicosahedron (10.10.3), icosahedral group A5, χ=2, D=1 V=60, E=90, F=32=12{10}+20{3} α γ a b c ρ/R r/ρ l/ρ h/r {10} 18.0 74.7598 9.69 33.02 31.72 0.985722 0.850651 0.170820 0.618034 {3} 60.0 30.4803 9.69 11.21 5.66 0.985722 0.995125 0.170820 0.099106