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Math Help - Gradient of each side of a quadrilateral

  1. #1
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    Gradient of each side of a quadrilateral

    Hi,
    I need to find the gradient of each side of of a quadrilateral which has vertices at the points A(-7,0), B(2,3), C(5,0) and D(-1,-6).
    I have drawn the quadrilateral but I don't know how I would find the gradient of each side of the quadrilateral. This is where I require some help please!

    Thanks!
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  2. #2
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    Re: Gradient of each side of a quadrilateral

    Quote Originally Posted by andyboy179 View Post
    Hi,
    I need to find the gradient of each side of of a quadrilateral which has vertices at the points A(-7,0), B(2,3), C(5,0) and D(-1,-6).
    I have drawn the quadrilateral but I don't know how I would find the gradient of each side of the quadrilateral. This is where I require some help please!

    Thanks!
    m = \frac{\Delta y}{\Delta x} = \frac{y_2-y_1}{x_2-x_1}

    ... use the slope formula above for each side.
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  3. #3
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    Re: Gradient of each side of a quadrilateral

    So would the side AB=3-0/2--7=3/9?
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  4. #4
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    Re: Gradient of each side of a quadrilateral

    Quote Originally Posted by andyboy179 View Post
    So would the side AB=3-0/2--7=3/9?
    yes, 3/9 = 1/3
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