e) The ratio of the breadth of a parallelogram to its length is 2:3. If its perimeter is 120cm, find dimensions of a parallelogram

e) The ratio of the breadth of a parallelogram to its length is 2:3. If its perimeter is 120cm, find dimensions of a parallelogram.​

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2 thoughts on “e) The ratio of the breadth of a parallelogram to its length is 2:3. If its perimeter is 120cm, find dimensions of a parallelogram”

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    Let the common multiple be x.

    and breadth = 2x

    then length (l)= 3x

    We know that perimeter = 2(l+b)

    120 = 2(2x+3x)

    120 = 4x + 6x

    120 = 10x

    120/10 = x

    12 = x

    therefore, x = 12

    breadth = 2x = 2×12 =24

    length = 3x = 3×12 = 36

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