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Thread: Intersection of Rays

  1. March 1st 2011, 09:03 PM #1
    jzellt
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    Intersection of Rays

    Show that if A and B are distinct points, then the intersection of ray -> AB and ray -> BA = the line segment AB.

    Can someone show the proof? Thanks
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  2. March 2nd 2011, 02:23 AM #2
    HallsofIvy
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    What are the definitions of "ray" and "line segment"? What must you prove to show that a set is a line segment?
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