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Great Dodecahemidodecahedron

The Uniform Polyhedron $U_{70}$ whose Dual is the Great Dodecahemidodecacron. It has Wythoff Symbol ${\textstyle{5\over 3}}\,{\textstyle{5\over 2}}\,\vert\,{\textstyle{5\over 3}}$. Its faces are $12\{{\textstyle{5\over 2}}\}+6\{{\textstyle{10\over 3}}\}$. Its Circumradius for unit edge length is


where $\phi$ is the Golden Ratio.


Wenninger, M. J. Polyhedron Models. Cambridge, England: Cambridge University Press, p. 165, 1989.

© 1996-9 Eric W. Weisstein