144 square feet.
12 feet times 12 feet = 144 square feet
The area of 12 foot times 20 foot are 240 square feet.
12' x 12' = 144 square feet.
108 square feet
216 square feet (12 x 18 = 216)
12 feet X 40 feet = 480 square feet.
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108 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.