Answer:
512 ft^2
Explanation:
It should be straightforward.
It's a rectangle with sides 32+8=40 and 8+8 = 16
Use formula A=wl
A=40 x 16 = 640 ft^2
now we have to deduct the remaining two squares. 8 x 8 = 64 x 2 = 128
640-128 = 512 ft^2
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