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March 28, 2017

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What is the measure of each side of a square with a perimeter of 60 inches?


this one I'm total lost . please ! show me how you do this problem. thank you!!

  • 5th math - ,

    w = width, L = length
    Perimeter = 2w + 2L
    60 = 2w + 2L
    60 = 2(w + L)
    Divide both sides by 2
    30 = w + L

    Since a square has equal sides and
    w + L = 30
    15 + 15 = 30

    So each side is 15
    15 + 15 + 15 + 15 = 60

    I don't know if a 5th grader does this type of problem like I did.

    If you can't follow the above, think of a square that has all sides the same length. Since there are 4 sides, all the same, 60/4 = 15.

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