First find area of rectangle Formula: l * w Rectangle = 9 * 18 = 162 ft^2 Now find area of triangle: bh/2 Base = 18 - 6 - 6 = 6 Height = 4 (6 * 4)/2 = 24/2 = 12 ft^2 Add rectangle and triangle areas 162 ft^2 + 12 ft^2 = 174 ft^2 Solution: A. 174 ft^2
