Question

Plead help. I only have four minutes before grades are submitted and this question is stumping me

Answer 1

A = 2 pi r^2 + 2 pi rh
A - 2(pi)r^2 = 2(pi)rh
h = $\frac{A - 2 \pi r^{2} }{2 \pi r }$

Answer 2

A = 2πr² + 2πrh
A = 2πr(r+h)
A/2πr = r+h
A/2πr - r = h