13.25 square feet.
1 square foot = (12 x 12) = 144 square inches 3 square feet = 432 square inches
There are 144 sq inches in a square foot. Doing the math gives an answer of 1,296 square inches.
72 inches by 36 inches is the same is 6 feet by 3 feet which is 18 square feet.
2 inches by 120 inches = 240 square inches = 1 2/3 square feet
3 x 30 = 90 square feet. 1 square foot = 144 square inches (12 x 12) So 90 square feet = 12,960 square inches
There are: 2*3 = 6 square feet
4*3 = 12 square feet
One feet is equal to 12 inches. Hence 6 feet by 3 feet is 216 square inches.
1728 squar inches
3 square feet.
Approximately 127.84 square feet.