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    Question

    A wire is in the form of square with side 11 cm. It is

    bent to form a circle. What is the radius of the circle?
    A 5 cm Correct Answer Incorrect Answer
    B 11 cm Correct Answer Incorrect Answer
    C 9 cm Correct Answer Incorrect Answer
    D 7 cm Correct Answer Incorrect Answer

    Solution

    ATQ, Length of wire = 4 × 11 cm = 44cm.  Now, the perimeter of circle is 44 cm.  2πr = 44 cm.  R= 7 cm

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