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Sphereical Triangle

  1. Mar 19, 2007 #1
    I did not know where to post this but I'm posting it here.
    I have just been pondering these pass couple days on how would you find the area of a sphereical trangle.
    HOW WOULD YOU DO IT?
     
  2. jcsd
  3. Mar 19, 2007 #2

    robphy

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  4. Mar 20, 2007 #3
    So a sphereical triangle is an example of non-euclid geometry right?
     
  5. Mar 21, 2007 #4

    robphy

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    The geometry of the sphere [the two-dimensional surface of a ball] is an example of a noneuclidean geometry [since the Parallel Postulate doesn't hold]. A triangle on this surface reveals this because the sum of its interior angles is not 180o.
     
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