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      Question

      A circle has a chord of length 22 cm, and this chord is

      the diameter of the circle. Find the radius of the circle.
      A 21 Correct Answer Incorrect Answer
      B 12 Correct Answer Incorrect Answer
      C 20 Correct Answer Incorrect Answer
      D 11 Correct Answer Incorrect Answer

      Solution

      Given: Chord length L = 22 cm Since the chord is the diameter:   r=L/2=22/2 = 11 cm   So, the radius r of the circle is 11 cm.

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