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    Question

    The area of a rectangular field, whose sides are in the

    ratio 13: 5, is 260 m². What is the perimeter of the rectangular field?
    A 70 m Correct Answer Incorrect Answer
    B 72 m Correct Answer Incorrect Answer
    C 66 m Correct Answer Incorrect Answer
    D 68 m Correct Answer Incorrect Answer

    Solution

    Ratio of sides of rectangular=13:5 Length =13x, width =5x Area of rectangular= 13x × 5x 13x × 5x=260 65x2 =260 x2=4 x=2 Perimeter of rectangular = 2(13x+5x) =36x =36×2=72m.

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