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      Question

      The minute hand of a clock is 28cm long. Find the area

      on the face of the clock swept by the minute hand between 8 a.m. and 8: 45a.m
      A 1448cm² Correct Answer Incorrect Answer
      B 1848cm² Correct Answer Incorrect Answer
      C 1648cm² Correct Answer Incorrect Answer
      D 1741cm² Correct Answer Incorrect Answer

      Solution

      Angle formed in 45 minutes: - (45/60) ×360° =270° Area = (270/360) ×πr² = (270/360) ×28×28×22/7 =3×28×22 =66×28 =1848cm²

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