Question

Whats the square root of 20

Answer 1

`2√(5)` or 4.472

Explanation:

20 is not a perfect square, meaning that no two integers can be multiplied together to get 20. However, we can try to take perfect squares out of the square root.

`√(20)` =
`√(4*5)` =
`√(4) * √(5)` =
`2√(5)`

(Remember that the square root of 4 is 2.)

Answer 2

The square root of 20 is 4.472135955