Question

What is the square root of 216?

Answer 1

`6sqrt6`

Explanation:

Start by factoring 216 completely. Just simplify it afterwards.

`sqrt216`
`=sqrt(2*2*2*3*3*3)`
`=sqrt(2^2*2*3^2*3)`
`=(2*3)sqrt(2*3)`
`color(red)(=6sqrt6)`