ASVAB Math Knowledge Practice Test 90939

Question 3 of 5
Trapezoid

A trapezoid is a quadrilateral with one set of parallel sides. The area of a trapezoid is one-half the sum of the lengths of the parallel sides multiplied by the height. In this diagram, that becomes ½(b + d)(h).

40

The dimensions of this trapezoid are a = 6, b = 9, c = 9, d = 7, and h = 5. What is the area?

16
25\(\frac{1}{2}\)
40
20