12x12
Just multiply the two numbers, 12 x 12 = 144 so the answer is 144 square feet.
144 and 126
-137
If you are asking 20 ft by 50 ft simply multiply the two numbers. If you are asking 20 inches by 50 inches just multiply the two numbers and the divide by 144
4 + 5 = 9 x 16 = 144
Multiply the two numbers and you get 1,800 square inches. Each square foot has 144 square inches. So you get 12.5 square feet.
-137
-144
Multiply the two numbers and you get 1,800 square inches. Each square foot has 144 square inches. So you get 12.5 square feet.
169
144 square feet. Multiply the two dimensions - the result is the number of square feet.