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the perimeter of the rectangle is 294cm, the width is 57 cm, find the length

  • algebra -

    Is this really a college question?

    Call the length L and the width W. You already now that W = 57.

    2L + 2W = 294
    2L + 114 = 294
    2L = 180
    L = ?

  • college -

    L=90

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