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    Question

    A wire is bent to form a square whose sides are of 55

    cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circle formed.
    A 3850 Correct Answer Incorrect Answer
    B 3800 Correct Answer Incorrect Answer
    C 3860 Correct Answer Incorrect Answer
    D 3870 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total length of the wire = 4 × length of the square = 4 × 55 = 220 cm So, circumference of the circle = 220 cm Radius of the circle = {220/(2π)} = {220 × 7/44)} = 35 cm Area of the circle formed = (22/7) × 35 × 35 = 3850 cm2

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