Answer:
1,594 squared feet
Explanation:
(20 x 15)2 = 600
(18 x 15)2 = 540
(10 x 20)2 = 400
(4.5 x 18/1/3)2 = 54
54 + 400 + 540 + 600
1,594
3.6m questions
4.6m answers