A=1/2h(b+c) solve for h
1) Multiply both sides of the equation by 2:2(A)=2[1/2h(b+c)2A=2/2h(b+c)2A=1h(b+c) 2A=h(b+c)2) Divide both sides of the equation by (b+c):(2A)/(b+c)=[h(b+c)]/(b+c)2A/(b+c)=h h=2A/(b+c) Answer: \(h=2 \frac{A}{(b+c)}\)