Answer:
the side lengths of a square are equal. Second, know that the sum of all 4 side lengths gives us the perimeter.
a square has 4 sides therefore the formula for perimeter of a square would be 4a where a is the number of sides. in this case, we want to know the length of each side so we divide total length (28) by number of sides which is 4 and we get 7m
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