New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    The circumference of a circle is 2π  cm. Then the

    area of a square inscribed in the circle is
    A π /2 cm² Correct Answer Incorrect Answer
    B 1 cm² Correct Answer Incorrect Answer
    C 2 π cm² Correct Answer Incorrect Answer
    D 2 cm² Correct Answer Incorrect Answer

    Solution

    2πr = 2 π ⇒ r = 2π /2π ⇒ r = 1 cm Diameter of the circle = 2 cm Diameter of the circle = Diagonal of the square = 2 ∴ Area of the square = 22/2 = 4/2 = 2 cm2

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