What is the Square root of 420?

1 Answer
Sep 11, 2015

It's important to first realized that 420 is not a perfect square.

Explanation:

Therefore, we can only simplify it to obtain the answer.
Since 4 is a multiple of 420, we can take the square root of 4 and 105, with the equation: -

#sqrt((4)*(105)#

The answer will be #2sqrt(105)#