You can't unless you use a calculator. However if the number was 12, you know that the square root of 4 is 2 and 4x3=12 so 2xthe square root of 3
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The square root of 121 is 11, and 11 is a rational number.
11 is the square root
It is a rational number, square root is 11
The square of the square root of any number is the number itself. So, in this case, 11.
No, because the square root of 11 is an irrational number