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tay2018
The answer would be 20

A squares sides are equal and there are 4 of them so you take 80 (the total perimeter) and divide that number by 4 (number of sides) and you get 20
nynynyny1
each side of the window would be 20 inches.

a square has 4 sides, therefore i divided 80 by 4

80/4 = 20 ; so 20 inches each side of the window

hope this helped :))

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