Civil Service Exam Reviewer · Measurement and Geometry · hard

If the radius is multiplied by 4, by what factor does the volume of a sphere increase?

  1. 4 times
  2. 16 times
  3. 8 times
  4. 64 times

Answer

D. 64 times

Solution

Volume of a sphere depends on the cube of the length: 43 = 64.

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