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what is the equation of a circle with points. First you need to know that the equation for a circle is x-a2 y-b2 r2 where the center is at point ab and the radius is r. Basic Equation of a Circle Center at 00 A circle can be defined as the locus of all points that satisfy the equation x2 y2 r2 where xy are the coordinates of each point and r is the radius of the circle.
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R is the radius of the circle. Xx12 yy12 r x x 1 2 y y 1 2 r. The equation of a circle is formed by its center point.
So for instance x-22 y-32 4 would have the center at 23 and have a radius of 2 since 4 22.
Xx12 yy12 r x x 1 2 y y 1 2 r. Equation of a circle word problems. So for instance x-22 y-32 4 would have the center at 23 and have a radius of 2 since 4 22. All points are the same distance from the center.
