Answer:
Step-by-step explanation: The answer. Is 370 sq ft.
The area is the sum of four figures, three rectangles and one triangle.
Rectangle 1 is 20 x 9 = 180
Rectangle 2 is 10 x 5 = 50
Rectangle 3 is 8 x 4 = 32
Triangle 1 has a base of 9 ft and a height of 13+8+3 = 24. Area = 1/2 bh = 108
Total Area = 180 + 50 + 32 + 108 = 370 sq ft.