Question

I need to know what irrational is closest to the square root of 9

Answer 1

To determine what irrational number is closest to square root of 9, simply round each of the values in the options or estimate to the typical square root, and you can see that square root of 18 is 3 square root 2, so that is very close to square root 9.

Answer 2

9 is the sqrt of 81
So, the closest one to 81 is 79

Hope this helped!