Find the perimeter of a square with a side length of 428−−√

. Your answer must be in simplest radical form.
Responses

327√
32 square root of 7

1628−−√
16 square root of 28

16112−−−√
16 square root of 112

647√

The perimeter of a square is equal to 4 times the length of one side.

In this case, the side length is √428.
The perimeter would be 4 * √428.
Simplifying this expression, we have 4√107.
Therefore, the answer is 4√107.