Respuesta :

anonymous12345678901
Since all sides of a square are equal just divide by 4 and you will get the answer

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

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