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    Question

    Perimeter of a square is equal to the perimeter of a

    circle that is 484 cm. Find the ratio of the side of the square to the radius of the circle.
    A 11:7 Correct Answer Incorrect Answer
    B 7:13 Correct Answer Incorrect Answer
    C 6:5 Correct Answer Incorrect Answer
    D 10:7 Correct Answer Incorrect Answer

    Solution

    ATQ, Let, radius of circle and side of square be тАШrтАЩ cm and тАШaтАЩ cm, respectively. Perimeter of the circle = 2╧Аr 484 = 2 ├Ч 22/7 ├Ч r 484 ├Ч 7/22 ├Ч 1/2 = r r = 77 cm Perimeter of the square = 4a 484 = 4a a = 121 cm Required ratio = 121:77 = 11:7

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