Respuesta :
Since all sides of a square are equal just divide by 4 and you will get the answer
80/4=20
80/4=20
Property:
Square = all sides are equal
Formula:
Perimeter of a square = 4 x Length
Given that Perimeter = 80:
4 Length = 80
Length = 80 ÷ 4 = 20 km
Answer: The width of the square is 20km