28
14 x 21 = 294 square feet.
21 feet by 21 feet is a square having an area of 441 square feet.
Area = Length * Width 21 * 40 = 840 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).
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.
To find the area of a room, multiply its length by its width. For a room that measures 15 feet by 21 feet, the area is 15 x 21 = 315 square feet. Therefore, the room is 315 square feet in size.
To find the area of a rectangle, you multiply its length by its width. In this case, 21 feet multiplied by 14 feet equals 294 square feet. So, a 21'x14' rectangle has an area of 294 square feet.
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.
21 feet by 21 feet is 441 square feet which converts to 49 square yards.
Multiply the two dimensions to get the area. The calculation will give you 189 square feet, which converts to 21 square yards.