What is the square root of 31?

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Answer 1 · 2018-07-27T08:52:52

It is 5.57 (approximately)

$sqrt31 = 5.567764363$ numerically.

You can accept that it is $5.57$

Answer 2 · 2018-07-28T00:44:19

$sqrt31~~5.568$

Since $31$ is a prime number, its square root doesn't evaluate to an integer. We can approximate it with the next closest perfect squares

$sqrt25<=sqrt31<=sqrt36$ or

$5<=sqrt31<=6$

We know the principal root of $31$ is between $5$ and $6$ , but we can get a better estimate with the use of a calculator. We get

$sqrt31~~5.568$

Hope this helps!