Area = Length * Width
21 * 40 = 840 Square Feet
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∙ 14y ago21 feet times 19 feet = 399 square feet
20x21= 420, so the answer is 420 square feet.
262.5ft² = 24.39m²
21*19 = 399 square feet.
21 x 11 = 231 -- There are 231 square feet on the floor. -- There are 231 square feet on the ceiling. -- There are a lot more square feet on the walls, but in order to calculate them, you need to know the height of the room.
21 x 21 = 441 square feet
26*21 = 546 sq feet
21 feet times 19 feet = 399 square feet
Assuming the room is a rectangular shape measuring 26 feet by 21 feet, 26 multiplied by 21 is 546. Therefore, the answer is 546 feet.
21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.
336 sq feet
273 sq. feet
178.5 square feet (8.5 x 21 = 178.5).
20x21= 420, so the answer is 420 square feet.
262.5ft² = 24.39m²
19 feet 1 inch by 21 feet 10 inches = 416.65 square feet.
21*19 = 399 square feet.