The square root of 10 is a close approx. of pi..........the square root of 8 is a close approx. to e........

square root(13) =

3.60555127546

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More info

How do you find the square root of 13? + Example - Socratic

https://socratic.org › ... › Square Roots and Irrational Numbers

1. Cached

Explanation: Since 13 is a prime number, there is no simpler form for its square root. √13 is an irrational number somewhere between 3=√9 and 4=√16 .