49. In trapezoid ABCD illustrated below, AB is 8 units long, CD is 12 units long, and EF is 6 units long. Also, ∠AEF and ∠DFE are right angles. What is the area of ABCD, in square units?

Answer and Explanation

Your Answer is

Correct Answer is A

Explanation

Trapezoid area = (upper base + lower base) × height ÷ 2. Just substitute the value in the question.