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Just multiply the 21 by the 12 and you have 252 square feet.
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How many square feet in a 21' x 21' room?
21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.
How many square yards is 21 feet by 21 feet?
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How many square feet in 3 X 7?
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21 x 4 = 84 square feet.
How many square feet is a floor 21 by 3 feet?
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How many square feet are in an surface area of 14 feet by 21 feet?
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How many square feet are in 21 x 19 room?
21 feet times 19 feet = 399 square feet
How many Sq. feet are in 21 Sq. yards?
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How many square feet is 21 square yards?
189 square feet. (multiply square yards by 3 to get square feet)
How many square feet are in 21 yards?
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