The base of a parallelogram is 7 cm more than it’s altitude. If the area of the parallelogram is 30 cm^2, find the measure of it’s base and altitude.

Question

Quadratic Word Problems

Answer 1

The area of a parallelogram is the product of the base and the altitude.

In this case a(7+a)=30

a²+7a-30 = (a-3)(a+10) = 0 => a = 3 and b=10.