Answer:
79.2 m.
Explanation:
Each side of the square = √392.04
= 19.8 m
There are 4 sides so the perimeter = 4*19.8
= 79.2 m.
take the square root of 392.04 which is 19.8
then multiply 19.8 by 4 sides of the square
therefore the perimeter is 79.2m
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