400 square feet. This is an easy calculation - just multiply the length in feet by the width in feet. The answer is the number of square feet.
400
400
2.78 square feet.
2.77 square feet.
20 square feet (5x4=20)
20' x 30' = 600 square feet.
If you mean square feet, there are 100 square feet in a square. So 20 squares is 2000 square feet.
20 square meters are 215.278208 square feet.
20 (square meters) = 215.278208 square feet
20 square yards.
1 square meter is equal to about 10.76 square feet. This means that 20 square meters is equal to 215.28 square feet.
9 square feet in a sq yard, so 20X9 =180
12' x 15' (180 square feet) = 20 sq. yards.
300 sq. ft.
3.33 square feet.
20 x 20 = 400 square feet.
400 square feet.
Do you mean a real square with the side length of 20 feet? Then 20 feet times 20 feet is 400 square feet.
400 square feet