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Earn +20 ptsQ: What the square of 21?
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What is the square of 21?
the square of 21 is 441
Is 21 a square number?
21 is not the square of an integer. The closest square number is 25.
How large is 21 square meters?
21 square meters is 226.04 square feet.
What is 21 by 21 feet?
21 feet by 21 feet is a square having an area of 441 square feet.
Is 21 a square number itself?
No, 21 is not a square number. A square number is the result of multiplying an integer by itself, and 21 cannot be expressed as the square of an integer.
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