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Thread: Coordinate Geometrey help

  1. Mar 5th 2009, 01:08 PM #1
    positiveion
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    Coordinate Geometrey help



    What is the equation of north street?
    Is it just x=undefined?

    And what is the equation of the diagonal road?
    Theres only one available point --> A, so I dont know how to find the gradient...
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  2. Mar 5th 2009, 02:17 PM #2
    skeeter
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    Quote Originally Posted by positiveion View Post


    What is the equation of north street?
    Is it just x=undefined?
    x = 0

    And what is the equation of the diagonal road?
    Theres only one available point --> A, so I dont know how to find the gradient...
    diagonal road is perpendicular to AB ... what do you know about the slopes of perpendicular lines?
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