info prev up next book cdrom email home

Square Cupola

\begin{figure}\BoxedEPSF{J04_net.epsf scaled 600}\end{figure}

Johnson Solid $J_{4}$. The bottom eight Vertices are

\begin{displaymath}
(\pm{\textstyle{1\over 2}}(1+\sqrt{2}), \pm{\textstyle{1\ove...
...xtstyle{1\over 2}}, \pm{\textstyle{1\over 2}}(1+\sqrt{2}), 0),
\end{displaymath}

and the top four Vertices are

\begin{displaymath}
\left({\pm{1\over\sqrt{2}}, 0, {1\over\sqrt{2}}}\right), \left({0, \pm{1\over\sqrt{2}}, {1\over\sqrt{2}}}\right).
\end{displaymath}




© 1996-9 Eric W. Weisstein
1999-05-26