400 square feet
There are 44.44 square yards in a room that is 20 feet x 20 feet (400 square feet). 20 feet x 20 feet = 400 square feet 400 square feet x 0.111111111 square yards/1 square foot = 44.44 square yards 1 square foot = 0.111111111 square yards
20 feet x 4 feet = 80 square feet.
20 x 20 = 400 square feet.
800 square feet (40 x 20 = 800).
30 feet x 20 feet = 600 square feet.
6' x 20' = 120 square feet.
13 x 20 = 260 square feet (13 and 20 must be in feet)
20' x 60' = 1,200 square feet.
2.78 square feet.
20 x 19 = 380 square feet.
12 x 20 = 240 square feet.