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8 March, 13:34

the length of a rectangle is 5 less than twice its width. The perimeter is 26 meter. Find the dimesions of the rectangle.

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  1. 8 March, 13:57
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    Let the breadth = x meter

    length = (2x-5) meter

    perimeter = 2 (l+b)

    => 26 = 2 (2x-5 + x)

    => 26 = 2 (3x - 5)

    => 26 = 6x - 10

    => 26 + 10 = 6x

    => 6x = 36

    => x = 36/6 = 6 meter

    Thus, breadth = 6 meter

    length = 2x-5 = 2*6 - 5 = 12 - 5 = 7 meter
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