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    Question

    A square has its side length equal to the radius of a

    circle. If the circle's area is 962.5 m², find the perimeter of the square.
    A 25 m Correct Answer Incorrect Answer
    B 88 m Correct Answer Incorrect Answer
    C 70 m Correct Answer Incorrect Answer
    D 45 m Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the radius of the circle be ‘r’ m

    π × r² = 962.5

    (22/7) × r² = 962.5

    r² = 306.25

    r = 17.5

    Since the side length of the square = radius of the circle = 17.5 m

    Perimeter of the square = 4 × 17.5 = 70 metres

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