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How to Calculate Un-Ordinary Circumference?

  1. May 4, 2010 #1
    Hi,

    Can someone please tell me how to calculate circumference when two cylinders are intersects each other marked with red color such as below image?

    Thanks in advance

    Huygen

    http://i44.tinypic.com/b9a93q.png
     
  2. jcsd
  3. May 5, 2010 #2
    Probably parametrize the curve of intersection, then do it as an integral.
     
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