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      Question

      If the surface area of a sphere is 1386 cm2 ,

      then find the radius of the sphere.
      A 12.5 cm Correct Answer Incorrect Answer
      B 10.5 cm Correct Answer Incorrect Answer
      C 10 cm Correct Answer Incorrect Answer
      D 12 cm Correct Answer Incorrect Answer

      Solution

      The surface area of a sphere =4πr2 = 1386 

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