39) small stellated dodecahedron 5|2 5/2 [43,20] dual: great dodecahedron (5/2.5/2.5/2.5/2.5/2), icosahedral group A5, χ=-6, D=3 V=12, E=30, F=12=12{5/2} α γ a b c ρ/R r/ρ l/ρ h/r {5/2} 72.0 36.0000 58.28 63.43 31.72 0.525731 0.850651 1.618034 0.618034