Respuesta :

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

Answer:

79.2 m.

Step-by-step explanation:

Each side of the square = √392.04

= 19.8 m

There are 4 sides so the perimeter = 4*19.8

= 79.2 m.