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Quick question about finding distance between the centres of 2 circles?

  1. Sep 13, 2012 #1
    1. The problem statement, all variables and given/known data

    Lets say you have the equation of 2 circles ok, and it asks you to find the distance between the centres of the 2 circles. Is that what you do...?

    1) Find the center of each circle by completing the sqaure.

    2) Enter those 2 centres into a distance formula: d = √(x2-x1)^2 + (y2-y1)^2

    Is that it?



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Sep 13, 2012 #2

    Mark44

    Staff: Mentor

    Yes.
     
  4. Sep 13, 2012 #3


    Not sure if you typed it wrong or not. Just to clarify, the equation is: √((X2-X1)2+(Y2-Y1)2)
     
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