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Is 21 a perfert square

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Anonymous

∙ 14y ago
Updated: 8/19/2019

Square Number: A number that is a product of some integer with itself.

Therefore, 21 is not a perfect square. An example of a perfect square is 16, since 4 times 4 is 16.

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Wiki User

∙ 14y ago
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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.


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the square of 21 is 441


What is the square root of 21?

The square root of 21 is 4.58257569495584.


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