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Thread: Vectors and rhombus.

  1. February 10th 2011, 09:59 PM #1
    bahadarali
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    Vectors and rhombus.


    Q18: Consider points A , B , C and D with position vectors
    7 i – 4 j + 7 k ,
    i– 6j + 10 k, –i , 3j + 4k and 5i – j + 5k respectively.
    Then ABCD is a

    A. Rhombus
    B. Rectangle
    C. Parallelogram but not a rhombus
    D. None of Above

    how?
    Last edited by mr fantastic; February 11th 2011 at 01:43 AM. Reason: Re-titled, deleted excessive ?'s in post.
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  2. February 10th 2011, 10:05 PM #2
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