Answer:
54
Step-by-step explanation:
So, we know that the area of a Trapezoid is (a + b)/2 * h
A is the base of the ceiling of the trapezoid, B is the floor of the trapezoid, and H stands for the height of the trapezoid. After counting, we now know that A = 6, B = 12, and H = 6. If we plug that into the formula, then we get 18/2 * h, then 9 * h, then 54. So, the answer is 54.
