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Homework Help: Proving that diagonals of a parallelogram bisect each other

  1. Feb 18, 2006 #1
    I am not sure whether this question should be posted here or not.

    4. Using vector methods, prove that the diagonals of a parallelogram bisect each other.

    I have no idea at all how to start. Any clues?
  2. jcsd
  3. Feb 18, 2006 #2


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    Science Advisor
    Homework Helper

    HINT: Look for congruent triangles.

    Also, this is a math problem - not a physics problem.
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