Question

for a trapezoid, the following formula relates the area a, the two bases a and b, and the height h. a = (a b) / 2 h solve for a. a. a = 2a / h b b. a = 2a / h − b c. a = ah / 2 − b d. a = 2a − b / h

Answer 1

A = (a + b)/2 h
2A = (a + b)h
2A/h = a + b
a = 2A/h - b