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    • Question

      Find the length of the arc of the sector of a circle of

      diameter 7 cm with a central angle of 108°. [Use п = 22/7]
      A 6.6 cm Correct Answer Incorrect Answer
      B 5.6 cm Correct Answer Incorrect Answer
      C 13.2 cm Correct Answer Incorrect Answer
      D 11.2 cm Correct Answer Incorrect Answer

      Solution

      Length of arc = 108° /360° x 2 x 22/7 x 7/2 =2 x 11 x 108°/360° =2 x 11 x 12/40 = 11 x 3/5 33/5 = 6.6 cm The correct answer is 6.6 cm

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