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      Question

      The diameter of a circle is 75 cm less than the

      circumference. What is the diameter of the circle in cm?
      A 35cm Correct Answer Incorrect Answer
      B 28cm Correct Answer Incorrect Answer
      C 42cm Correct Answer Incorrect Answer
      D 56cm Correct Answer Incorrect Answer

      Solution

      2 π R = 2R+75  2πR - 2R= 75 2R (π-1) = 75 2R (22/7 - 1) = 75  2R ×15/7 = 75 or 2R= 35  D= 35 cm.

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