216 square feet (12 x 18 = 216)
12 feet X 40 feet = 480 square feet.
0
144 square feet. (12 x 12 = 144) or 16 square yards.
144 12x12
144 square feet.
The area of 12 foot times 20 foot are 240 square feet.
12' x 12' = 144 square feet.
108 square feet
12 feet X 40 feet = 480 square feet.
216 square feet (12 x 18 = 216)
0
108 square feet
12 x 17 = 204 (square feet).
You'll need 12 times 12 = 144 square feet
60 square feet
A square foot is measured 12''x12'' x12''x12'', or a 12'' square.