144 square feet.
12 feet times 12 feet = 144 square feet
12' x 12' = 144 square feet.
The area of 12 foot times 20 foot are 240 square feet.
108 square feet
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12 feet X 40 feet = 480 square feet.
108 square feet
12 x 17 = 204 (square feet).
60 square feet
You'll need 12 times 12 = 144 square feet
There are: 12*14 = 168 square feet