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Math Help - Please help Urgent question

  1. #1
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    Unhappy Please help Urgent question

    Q - Prove that if A, B, and C are three points in space, then the area of triangle ABC can be
    calculated with the formula

    Area of triangle ABC = 1/2|AB AC|.
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  2. #2
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    Re: Please help Urgent question

    Quote Originally Posted by mikejohn View Post
    Q - Prove that if A, B, and C are three points in space, then the area of triangle ABC can be
    calculated with the formula

    Area of triangle ABC = 1/2|AB AC|.
    you've posted this same question in more than one forum ... please refrain from doing so in future.
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