An Archimedean Solid, also called the Snub Icosidodecahedron, whose Dual Polyhedron is the
Pentagonal Hexecontahedron. It has Schläfli Symbol s
. It is
also Uniform Polyhedron and has Wythoff Symbol . Its faces are
, it has Inradius, Midradius, and Circumradius
Coxeter, H. S. M.; Longuet-Higgins, M. S.; and Miller, J. C. P. ``Uniform Polyhedra.''
Phil. Trans. Roy. Soc. London Ser. A 246, 401-450, 1954.