Chapter 6 - Section 6.6 - Rational Equations and Problem Solving - Exercise Set - Page 387: 2

$h=\dfrac{3V}{\pi r^2}$

Using the properties of equality, in terms of $ h ,$ the given equation, $ V=\dfrac{1}{3}\pi r^2h ,$ is equivalent to \begin{array}{l} 3V=\pi r^2h \\\\ \dfrac{3V}{\pi r^2}=h \\\\ h=\dfrac{3V}{\pi r^2} .\end{array}