rectangular park length is twice of his breadth .area of the park is 640meters find length , breadth and perimeter​

Question

rectangular park length is twice of his breadth .area of the park is 640meters find length , breadth and perimeter​

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Iris 1 month 2021-08-12T08:56:03+00:00 2 Answers 0 views 0

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  1. Maya
    0
    2021-08-12T08:57:26+00:00
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    Length 35.78m

    Breadth 17.89m

    Perimeter 107.34m

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  2. Maya
    0
    2021-08-12T08:58:02+00:00
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    Answer:

    let the length be X and breadth be y…

    According to the condition,

    x = 2y

    Area of park = length X breadth

    640 = x* y

    640 = 2y * y

    640 =2y^2

    y^2 = 640/2

    y^2 = 320

    y = √320

    y = 4√10

    therefore breadth is 4√10 m

    length = 2* breadth

    = 16√10 m

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