For the trapezoid, the equation used to solve for the area is, A = (0.5)(b₁ + b₂)(h) where b₁ and b₂ are the measure of the bases and h is the height. Substituting the known values above, 1224 = (0.5)(70.5 + 65.5)(h) h = 18 Thus, the height of the counter top is 18 inches.
