Question

How do you find the square root of 180?

Answer 1

You can simplify, and work from there. First you factorise.

Explanation:

`180=2*2*3*3*5=2^2*3^2*5`

Now you can take the squares out of the root:

`=sqrt(2^2*3^2*5)=2*3*sqrt5=6sqrt5~~6*2.236...~~13.416...`