Answer:
79.2 meters
Explanation:
since the shape is a square, the area is given by (side length)^2
so to find the side length, which will be the same for all 4 sides, take the square root of the area.
sqrt(392.04) = 19.8 meters
the perimeter is the sum of all the sides, which is 19.8 x 4 = 79.2.
hope this helped!