User:Jawr256/Stuff/3D

JAWR256 USERSPACE NAVIGATION [edit]
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Shape	Volume formula	Surface area formula
Sphere	$V=\frac{4\pi r^3}{3}$	$A=4\pi r^2$
Tetrahedron	$V=\begin{array}{c}\frac{1}{12}\end{array}\sqrt{2}{a}^3$	$A=\sqrt{3}{a}^2$
Cube	$V=a^3$	$A=6a^2$
Octahedron	$V=\begin{array}{c}\frac{1}{3}\end{array}\sqrt{2}{a}^3$	$A=2\sqrt{3}{a}^2$
Dodecahedron	$V=\begin{array}{c}\frac{1}{4}\end{array}(15+7\sqrt{5})a^3$	$A=3\sqrt{25+10\sqrt{5}}{a}^2$
Icosahedron	$V=\begin{array}{c}\frac{5}{12}\end{array}(3+\sqrt{5})a^3$	$A=5\sqrt{3}{a}^2$