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Volume of a sphere by circle-areas

  1. Apr 26, 2013 #1
    Instead of the shell method, can't one find the volume of a sphere by integrating/summing its horizontal areas?
    Last edited: Apr 26, 2013
  2. jcsd
  3. Apr 26, 2013 #2


    Staff: Mentor

    Sure, if you mean using horizontal disks of thickness Δy. You can't sum areas to get a volume. You can sum increments of volume to get a total volume.
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