Question

Find the length of the second base of a trapzoid with one base measuring 12 feet a height of 4 feet and a area of 58 square feet

Answer 1

equation:
b1+b2 x h / 2 = 58
12+ b2 x 4 / 2 = 58
12+b2 x 4 = 116
12 + b2 = 29
b2 = 17 feet is the length of the second base