
David B. answered 03/24/22
Former Math Teacher and Experienced and Patient Tutor
A = 1/2hb1 + 1/2hb2 Factor out 1/2h from the left side of the equation
A = 1/2h(b1 + b2) Now multiply both sides by 2
2A = h(b1 + b2) Divide both sides by (b1 + b2)
2A/(b1 + b2) = h
or h = 2A/(b1 + b2)