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      Question

      Find the circumference of a circle of radius 7 cm. Take

      Ο€ = 22/7.
      A 48 cm Correct Answer Incorrect Answer
      B 44 cm Correct Answer Incorrect Answer
      C 32 cm Correct Answer Incorrect Answer
      D 36 cm Correct Answer Incorrect Answer

      Solution

      Radius r = 7 cm Area = Ο€rΒ² = (22/7) Γ— 7 Γ— 7 = 22 Γ— 7 = 154 cmΒ² Circumference = 2Ο€r = 2 Γ— (22/7) Γ— 7 = 44 cm Circumference = 44 cm

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