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    Question

    A circular field has radius 7 m. Find the cost of

    fencing it at ₹50/m.
    A ₹2,000 Correct Answer Incorrect Answer
    B ₹2,200 Correct Answer Incorrect Answer
    C ₹1,200 Correct Answer Incorrect Answer
    D ₹2,250 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Perimeter = 2πr = 44 m (using π = 22/7). Cost = 44×50 = ₹2,200.

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