Solve Equation in Terms of Other Variables

$h=\frac{\sqrt{S_A^2-\pi^2r^4}}{\pi r}$

$h=\frac{S_A-\pi r^2}{\pi r}$

$h=\sqrt{\frac{S_A^2-\pi^2r^4}{\pi r}}$

$h=\frac{\sqrt{S_A^2-\pi^2r^4}}{\pi S_A}$