How to solve the equation of a circle, given with three points that passes through the circle? And if possible, can anyone give me an example? thnx
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$\displaystyle (x-u)^2+(y-v)^2=r^2$ Just substitute the given $\displaystyle (x,y)$ pairs into the equation above. You get three equations and need to solve for $\displaystyle u, v, r$.
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