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31 July, 07:33

In a rectangle the ratio of the length to the width is 5:2, and its perimeter is 126 centimeters.

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  1. 31 July, 10:10
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    Let the length be 5x and width be 2x

    Perimeter of rectangle = 2 (length + bredth)

    = 2 (5x+2x) = 126

    ∴ 2 (7x) = 126

    14x = 126

    x=9

    Therefore, length = 5*9=45

    and bredth = 2*9=18
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