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25 July, 06:13

The length of a rectangle is 5m more than twice the width, and the area of the rectangle is 52m2. find the dimensions of the rectangle.

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  1. 25 July, 06:39
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    Width = 4 m

    Length = 13m

    Step-by-step explanation:

    Let width = x

    Length = 2x + 5

    Area = 52 m²

    length * width = 52

    (2x + 5) * x = 52

    2x * x + 5*x = 52

    2x² + 5x - 52 = 0

    2x² - 8x + 13x - 13*4 = 0

    2x * (x - 4) + 13 * (x - 4) = 0

    (x - 4) (2x + 13) = 0

    x - 4 = 0 {Ignore 2x + 13 = 0 as measurements will not be in negative}

    x = 4 m

    Width = 4 m

    Length = 2*4 + 5 = 8+5 = 13m
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