Question

Help me solve please.20%5C%5C%20solve%20%5C%3A%20for%20%5C%3A%20h" id="TexFormula1" title="a = 2\pi r^{2} + 2\pi rh \\ \\ solve \: for \: h" alt="a = 2\pi r^{2} + 2\pi rh \\ \\ solve \: for \: h" align="absmiddle" class="latex-formula">

Answer 1

a = 2πr² + 2πrh

a - 2πr² = 2πrh

(a - 2πr²)/2πr = 2πrh/2πr

h = (a - 2πr²)/2πr