30) truncated icosahedron 2 5|3 [27,9] dual: pentakisdodecahedron (6.6.5), icosahedral group A5, χ=2, D=1 V=60, E=90, F=32=20{6}+12{5} α γ a b c ρ/R r/ρ l/ρ h/r {6} 30.0 62.1547 11.64 23.80 20.91 0.979432 0.934172 0.206011 0.381966 {5} 36.0 55.6906 11.64 20.08 16.47 0.979432 0.958957 0.206011 0.295686