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      Question

      If the angle of a sector of a circle is 300 &

      its radius is 7cm , find the area of this sector? 
      A 12.83 cm² Correct Answer Incorrect Answer
      B 77 cm² Correct Answer Incorrect Answer
      C 231 cm² Correct Answer Incorrect Answer
      D 19.25 cm² Correct Answer Incorrect Answer

      Solution

      Area of sector = ɵ/360 × πR 2   = 30/360 × 22/7 × 7 2   =154/12 = 77/6 cm 2   

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