How do you solve A=1/2bh, for h
\(A=\frac{1}{2}*b*h \\\\ b*h=\frac{A}{\frac{1}{2}} =\frac{A}{1}*\frac{2}{1} \\\\ b*h=2A \\\\ \boxed{h=\frac{2A}{b}}\)
