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Math Help - Parallel Proof

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    Parallel Proof

    Prove: A line that meets one of two parallel lines must meet the other.
    Last edited by GoldendoodleMom; September 22nd 2008 at 05:49 AM.
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  2. #2
    MHF Contributor kalagota's Avatar
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    Quote Originally Posted by GoldendoodleMom View Post
    Prove: A line that meets one of two parallel lines must meet the other.
    how do you define parallel lines? that should be a hint..
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    Quote Originally Posted by GoldendoodleMom View Post
    Prove: A line that meets one of two parallel lines must meet the other.
    Strictly speaking, this is not necessarily true.
    We must assume that we are working in a plane, we must assume that the problem involves three distinct lines only to of which are parallel.
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  4. #4
    MHF Contributor kalagota's Avatar
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    very strict huh? )

    of course, i already assume we're in Euclidean plane..
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