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Thread: Angle between two lines with coordinates.

  1. Oct 25th, 2004, 11:55 PM #1
    santosh66
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    Question Angle between two lines with coordinates.

    I have two lines AB, BC with known coordinates. they both have a common coordinate at point B.
    How to find angle between AB and BC wrt VB6.

    any Help for formula for finding angle at B.
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  2. Oct 26th, 2004, 03:16 PM #2
    Doddddy
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    this is what i've come up wiht... its not checked>
    pi-arctg((xA-xB)/(yA-yB))+arctg((xB-xC)/(yB-yC))

    probably doesnt work
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  3. Oct 26th, 2004, 03:21 PM #3
    Acidic
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    Well tan-1(mAB) will give the angle (in degrees) of line AB. Do the same for BC, then find the difference.
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