One base of a trapezoid is twice as long as the other.the length of the shorter base is 9 cm and its height is 5 cm. What is its area?

3 answers

[(9 + 18) / 2] * 5 = ______ sq. cm.
The height of the trapezoid is half the length of the shorter base, and the longer base is twice the length
of the shorter base what are the lengths of the height and the longer base?
16