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    Question

    The area of a square is 24 sq. cm more than the area of

    a rectangle of length 12 cm and breadth 10 cm. What will be the area of incircle of the square?
    A 8.5 cm Correct Answer Incorrect Answer
    B 6.5 cm Correct Answer Incorrect Answer
    C 7.5 cm Correct Answer Incorrect Answer
    D 6 cm Correct Answer Incorrect Answer

    Solution

    The area of rectangle = l × b = 12 × 10 = 120 sq. cm The area of square = 120 + 24 = 144 sq. cm The side of square = √144 = 12 cm Radius of incircle of a square = side = 12/2 = 6 cm

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