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the measures of 2 adjacent side of a parallelogram are in the ratio 17:7 if the second side measures 3.5cm find the perimeter of parallelogram ?

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    S1/3.5 = 17/7.
    S1 = (17/7) * 3.5 = 8.5 cm.

    P = 2*3.5 + 2*8.5 = 24 cm.

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