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    Question

    A circle has its area eleven times greater than its

    circumference in numeric value. Find the circleтАЩs diameter.
    A 50 units Correct Answer Incorrect Answer
    B 32 units Correct Answer Incorrect Answer
    C 44 units Correct Answer Incorrect Answer
    D 22 units Correct Answer Incorrect Answer

    Solution

    ATQ,

    Circumference = 2 ├Ч ╧А ├Ч r

    Area = ╧А ├Ч r┬▓

    Let radius = r units

    ╧А ├Ч r┬▓ = 11 ├Ч 2 ├Ч ╧А ├Ч r

    тЗТ r┬▓ = 22r

    тЗТ r = 22

    Diameter = 2 ├Ч 22 = 44 units

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