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Area of a Parallelogram with out cross products

  1. Oct 9, 2008 #1
    1. The problem statement, all variables and given/known data

    given the vertices:
    2. Relevant equations

    solving without cross products and with mathematica if available

    3. The attempt at a solution




    get you the solution

    i got 7

  2. jcsd
  3. Oct 10, 2008 #2


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    Homework Helper

    Yeah it looks ok. By the way since you have mathematica, couldn't you have verified the answer?
  4. Oct 10, 2008 #3
    i don't have mathematica that why i was checking my answer. and to know i could do it by hand.

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