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    Question

    The circumference of a circle is 44 cm and the length of

    the rectangle is 4 times the radius of the circle. Find the area (in cm2) of the rectangle, if the ratio of length and the breadth of the rectangle is 2:1, respectively.
    A 302 Correct Answer Incorrect Answer
    B 392 Correct Answer Incorrect Answer
    C 390 Correct Answer Incorrect Answer
    D 395 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the radius of the circle = тАШrтАЩ cm Circumference of the circle = 2╧Аr 44 = 2 ├Ч (22/7) ├Ч r r = 7 Radius of the circle = 7 cm Length of the rectangle = 7 ├Ч 4 = 28 cm Breadth of the rectangle = (28/2) ├Ч 1 = 14 cm Area of the rectangle = 14 ├Ч 28 = 392 cm2

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