Ikosidodekaedro

Ikosidodekaedroaren neurriak
Azalera	${\displaystyle A=\left(5{\sqrt {3}}+3{\sqrt {25+10{\sqrt {5}}}}\right)a^{2}\approx 29,306a^{2}}$
Bolumena	${\displaystyle V={\frac {1}{6}}\left(45+17{\sqrt {5}}\right)a^{3}\approx 13,834a^{3}}$
Zirkunerradioa	${\displaystyle R={\phi }a\approx 1,618a}$
Inerradioa	${\displaystyle r={\frac {1}{2}}{\sqrt {5+2{\sqrt {5}}}}a\approx 1,539a}$

non ${\displaystyle a}$ ertzaren luzera den,

${\displaystyle \phi ={\frac {1+{\sqrt {5}}}{2}}\approx 1,6180339}$ (urrezko zenbakia).