Answer:
Step-by-step explanation:
To find the perimeter of a square, you multiply the length of one side by 4.
Given that each side of the square family room is 5 meters long:
Perimeter
=
4
×
side length
=
4
×
5
meters
=
20
meters
Perimeter=4×side length=4×5meters=20meters
So, the family room's perimeter is 20 meters.