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Discussion :: Mensuration

  1. A wire in the form of a circle of radius 3.5 m is bent in the form of a rectangule, whose length and breadth are in the ratio of 6 : 5. What is the area of the rectangle?
    2. A.
    60 cm2
    B.
    30 cm2
    C.
    45 cm2
    D.
    15 cm2
    E.
    None of these.

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    Answer : Option B

    Explanation :

    The circumference of the circle is equal to the permeter of the rectangle. 

    Let l = 6x and b = 5x 2(6x + 5x) = 2 * 22/7 * 3.5 

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