Tips and Tricks on Circles




The point of concurrence of the radical axis of three circles, whose centers are no collinear, taken in pairs, is called the radical centre of the circle
(i) The powers of the radical centre of three circles with respect to each of the three circles are equal
(ii) The centre of a circle cutting two circles orthogonally lies on the radical axis of the two circles
(iii)The centre of the circle cutting three circles orthogonally is the radical centre of the three circles.

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