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Earn +20 ptsQ: How many square feet in a 21' x 21' room?
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How many square feet is a floor 21 by 3 feet?
21*3 = 63 square feet.
How many square feet are in 7ft by 3ft?
7 × 3 = 21 square feet
How many square feet is 15 x 21 inches?
It is 2.1875 square feet.
21'x 14' equals how many square feet?
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.
How many square feet in a 18 x 21 room?
Oh, dude, you're hitting me with the math questions now? Alright, so if you have a room that's 18 feet by 21 feet, you just gotta multiply those two numbers together. That gives you 378 square feet. So, like, if you're planning on redecorating or something, now you know how much paint you need.
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