Calculation of Volume(V),Surface area(A),Circumradius(Cr) and Inscribed radius(Ir) of Regular Icosahedron.

Keyword

Volume,Surface area,Circumradius,Inscribed radius,Regular Icosahedron.

Reference

[1]:Graham Woan著・堤正義訳:『ケンブリッジ物理公式ハンドブック』,共立出版,pp.36,2007.

Remarks

・Above figure of Regular Icosahedron is copied from Wikipedia.
・Making above Equation Image is powered by CODECOGS.

History

・2010/03/17:Upload.