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    Question

    A wire is bent to form a square whose sides are of 11

    cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circle formed.
    A 124 Correct Answer Incorrect Answer
    B 174 Correct Answer Incorrect Answer
    C 184 Correct Answer Incorrect Answer
    D 154 Correct Answer Incorrect Answer

    Solution

    Total length of the wire = 4 Γ— length of the square = 4 Γ— 11 = 44 cm So, circumference of the circle = 44 cm Radius of the circle = {44/(2Ο€)} = {44 Γ— 7/44)} = 7 cm Area of the circle formed = (22/7) Γ— 7 Γ— 7 = 154 cm2

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