14 x 21 = 294 square feet.
21 feet by 21 feet is a square having an area of 441 square feet.
Square feet measure area, and yards measure length. If you mean FEET in 21 yards, the answer is 63 (3 times 21). If you mean square feet in 21 SQUARE YARDS, the answer is 189 (three times three times 21).
Area = Length * Width 21 * 40 = 840 Square Feet
The area of rectangle is : 44.0
Multiply the two dimensions to get the area. The calculation will give you 189 square feet, which converts to 21 square yards.
21*21 = 441 square feet.
21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.
Multiply the two dimensions to get the area. The calculation will give you 189 square feet, which converts to 21 square yards.
21 feet by 21 feet is 441 square feet which converts to 49 square yards.
Multiply width times length to get area. This gives you 126 square feet.
21-ft x 22-ft = 462 ft2