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Thread: perimeter of triangle, given coordinates of vertices

  1. #1

    perimeter of triangle, given coordinates of vertices

    I need help in solving this. I did the points and got the triangle, but confused on how to find the perimeter of this triangle. Here is the problem:

    Points D(-4, 6), E(5, 3), and F(3, -2) are the vertices of triangle DEF. Find the perimeter of the triangle

  2. #2
    Elite Member
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    Jun 2007
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    12,281

    Re: perimeter of a triangle confused

    Quote Originally Posted by drgzn471125
    I need help in solving this. I did the points and got the triangle, but confused on how to find the perimeter of this triangle. Here is the problem:

    Points D(-4, 6), E(5, 3), and F(3, -2) are the vertices of triangle DEF. Find the perimeter of the triangle
    Find the lengths of line segments joining (D,E), (E,F) & (F,D) - using the distance formula.

    Then add those up - very straight forward.
    “... mathematics is only the art of saying the same thing in different words” - B. Russell

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