There are 21 feet in 21 feet. If you meant to use a different unit:
21 feet = 7 yards
21 feet = 252 inches
21 yards = 63 feet
21 inches = 1 foot, 9 inches
There is about 21 feet in 6.4 meters.
21 feet by 21 feet is 441 square feet which converts to 49 square yards.
21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.
21 feet is 252 inches
21 x 4 = 84 square feet.
21*3 = 63 square feet.
21 feet equals 6.4008 metres.
21 square feet.
There are 3 feet in one yard. Therefore, 21 feet is equal to 21 / 3 = 7 yards.
21 feet
21 x 21 = 441 square feet
Just multiply the 21 by the 12 and you have 252 square feet.