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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 Γ— length of the square = 4 Γ— 55 = 220 cm So, circumference of the circle = 220 cm Radius of the circle = {220/(2Ο€)} = {220 Γ— 7/44)} = 35 cm Area of the circle formed = (22/7) Γ— 35 Γ— 35 = 3850 cm2

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