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Triangle combination

  1. Sep 8, 2006 #1
    HI ,
    I dont know where to post my question. sorry if it is not in the correct forum.

    I am working on a program and one of the instruction say this:
    (Prior we have to know that a,b,c are the sides of a triangle)

    "Note that not all combination of a,b,c produce a triangle.
    Your function should produce correct results for legal data and reasonable results for illegal combinations"


    I did not know that there can be bad combination for a triangle.
    What is this bad combination?

    thank you
    B.
     
  2. jcsd
  3. Sep 8, 2006 #2

    Hurkyl

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    Try to draw a triangle whose sides are 1, 2, and 4.
     
  4. Sep 8, 2006 #3

    radou

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    Well, c must be less than a + b, if that's what you ment..Or, if you're working with points (coordinates), three points mustn't be colinear.
     
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