Exam Q

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  1. sabre2th1's Avatar
    1 21-06-2012  10:02
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    Exam Q


    How do I do part d? ExamSolutions hasn't covered this paper so i can't check there....
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  2. BabyMaths's Avatar
    2 21-06-2012  10:15
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    Re: Exam Q
    Having done part c you know that ABCD is a rhombus.

    AB=DC
  3. ztibor's Avatar
    3 21-06-2012  15:58
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    Re: Exam Q
    (Original post by sabre2th1)


    How do I do part d? ExamSolutions hasn't covered this paper so i can't check there....
    The midpoint of AC O=(a+c)/2=(4,0,0)
    This is the midpoint of BD=(b+c)/2 ,too
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