Question 97695
Solve for h:
{{{S = 2(pi)rh+2(pi)r^2}}} Subtract {{{2(pi)r^2}}} from both sides.
{{{S-2(pi)r^2 = 2(pi)rh}}} Now divide both sides by {{{2(pi)r}}}
{{{(S-2(pi)r^2)/2(pi)r = h}}}