Question

    What is the difference between (in m2) the

    area of a circular field of radius 21 metres and area of a rectangular piece of land having its dimensions as 50 metres × 25 metres?
    A 126 Correct Answer Incorrect Answer
    B 116 Correct Answer Incorrect Answer
    C 136 Correct Answer Incorrect Answer
    D 130 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Area of the circular field = π × radius2 = (22/7) × 21 × 21 = 1386 m2 Area of the rectangular piece of land = length × breadth = 50 × 25 = 1250 m2 So, difference in area = 1386 – 1250 = 136 m2

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