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20 is not the square of an integer, the square root of 20 is approximately equal to 4.472.

Q: Is 20 a square number

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20

25 is a perfect square occurring between 20 and 30.

20 squared is 400.

A square number is an integer which is the square of some smaller integer. For example, 144 is square because 144 = 12*12 = 12^2 400 is a square number because 400 = 20^2. Anything bigger than 20, when multiplied by itself, will make a square greater than 400. How about 21?

25, 36, 49, 64, 81

Related questions

20 is a not perfect square.

The square root of 20 is: ± 4.472136The square root of 20 is ± 4.472136 (to 7 sf).A square root of a number is the number that when multiplied by itself equals the given number.

The square root of 20 is an irrational number

Well, a square number is the answer to a number multiplied by itself. So, what you'd have to do is multiply 20*20, and the answer is 400.

The only square number between 20 and 30 is 25.

If you mean the square root is 20, the answer is 400. If you mean the square root of 20, the answer is about 4.47.

20 is a not perfect square.

20*20 = 400

20

16 is an even number from 10 to 20, and its square roots are -4 and +4.

It is: 4+16 = 20

The square of 11-20 is the square of -9. To actually calculate the square, multiply -9 by itself.