Tuesday

September 2, 2014

September 2, 2014

Posted by **James** on Monday, May 7, 2007 at 1:46am.

The general equation for a circle is

(x-a)^2 + (y-b)^2 = r^2, where r is the radius of the circle and (a,b) are the (x,y) coordinates of the center.

Make the appropriate substitutions and you will have the equation.

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