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    Question

    What is the difference between (in m2) the

    area of a circular field of radius 35 metres and area of a rectangular piece of land having its dimensions as 60 metres × 55 metres?
    A 540 Correct Answer Incorrect Answer
    B 510 Correct Answer Incorrect Answer
    C 550 Correct Answer Incorrect Answer
    D 530 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Area of the circular field = π × radius2 = (22/7) × 35 × 35 = 3850 m2 Area of the rectangular piece of land = length × breadth = 60 × 55 = 3300 m2 So, difference in area = 3850 – 3300 = 550 m2

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