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    Question

    Perimeter of a square is equal to the perimeter of a

    circle that is 792 cm. Find the ratio of the side of the square to the radius of the circle.
    A 11:17 Correct Answer Incorrect Answer
    B 7:13 Correct Answer Incorrect Answer
    C 16:5 Correct Answer Incorrect Answer
    D 11:7 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let, radius of circle and side of square be ‘r’ cm and ‘a’ cm, respectively. Perimeter of the circle = 2πr 792 = 2 × 22/7 × r 792 × 7/22 × 1/2 = r r = 126 cm Perimeter of the square = 4a 792 = 4a a = 198 cm Required ratio = 198:126 = 11:7

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