28) dodecahedron 3|2 5 [26,5] dual: icosahedron (5.5.5), icosahedral group A5, χ=2, D=1 V=20, E=30, F=12=12{5} α γ a b c ρ/R r/ρ l/ρ h/r {5} 36.0 60.0000 20.91 37.38 31.72 0.934172 0.850651 0.381966 0.618034