1 foot = 12 inches Answer = (21/12) x (21/12) = 49/16 sq feet = 3.0625 sq feet
21 square feet.
21 x 21 = 441 square feet
178.5 square feet (8.5 x 21 = 178.5).
Answer = 21 ft x 13 ft = 273 sq feet
21 x 12 = 252 square feet.
Just multiply the 21 by the 12 and you have 252 square feet.
12' x 21' (252 square feet) = 28 sq. yards.
Total square yards: 16.0
9' x 12' (108 square feet) = 12 square yards.
If the given dimensions are in feet then 21 times 12 = 252 square feet
1 foot = 12 inches Answer = (21/12) x (21/12) = 49/16 sq feet = 3.0625 sq feet
21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.
(12-ft x 21-ft) / (9 square feet per square yard) = 28 square yards
21 feet by 21 feet is 441 square feet which converts to 49 square yards.
21 square feet.
21 x 4 = 84 square feet.