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      Question

      If the ratio of areas of two circle is 4:9, then the

      ratio of their circumferences will be:
      A 5:6 Correct Answer Incorrect Answer
      B 3:4 Correct Answer Incorrect Answer
      C 4:9 Correct Answer Incorrect Answer
      D 2:3 Correct Answer Incorrect Answer

      Solution

      Ratio of area of two circles = (Ratio of radius)2ย = 4:9 Ratio of Circumference = Ratio of radius Hence, Ratio of Circumference = โˆš(4/9) = 2:3

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