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Great Icosihemidodecahedron

\begin{figure}\begin{center}\BoxedEPSF{U71.epsf scaled 700}\end{center}\end{figure}

The Uniform Polyhedron $U_{71}$ whose Dual is the Great Icosihemidodecacron. It has Wythoff Symbol ${\textstyle{3\over 2}}\,3\,\vert\,{\textstyle{5\over 3}}$. Its faces are $20\{3\}+6\{{\textstyle{10\over 3}}\}$. For unit edge length, its Circumradius is


where $\phi$ is the Golden Ratio.


Wenninger, M. J. Polyhedron Models. Cambridge, England: Cambridge University Press, p. 164, 1989.

© 1996-9 Eric W. Weisstein