800 square feet.
40 ft by 20 ft = (40 x 20) = 800 square feet
20 by 20?
40 by 40 feet = 1,600 square feet = 148.64 square meters.
40 square feet = 4.4 square yards.
30 x 40 = 1200 square feet.
800 square feet (40 x 20 = 800).
40 ft by 20 ft = (40 x 20) = 800 square feet
20 feet times 40 feet = 800 square feet
20 x 40 = 800 square feet !
800 square feet
20 by 20?
20 square feet.
The answer depends on the units of measurement used for the numbers in the question: feet, metres, centimetres, miles, etc.
40 x 20 = 800 square feet
800
800 square feet. Just multiply length by width - the answer is the square footage.
20 square feet.