Power of a point P intersects the circle at A and B, the endpoints of the diameter. Their respective products of distances are equal to each other and to the power of point P in that circle This equality is sometimes known as the ""secant-tangent theorem"", ""intersecting chords theorem"", or the ""power-of-a-point theorem"". The power of a point is used in many geometrical definitions and proofs. For example, the radical axis of two given circles is the straight line consisting of points that have equal power to both circles. For each point on this line, there is a unique circle centered on that point
Circle of Two like Laurence Olivier, for his willingness to do anything for money. He stooped so low in 1981 as to appear in Jules Dassin’s "Circle of Two", in which he plays a 60-year-old artist who falls for the 16-year-old Tatum O’Neal. By the time of his death three years later, his artistic reputation was in tatters. Circle of Two Circle of Two is a 1981 Canadian drama film starring Richard Burton as a 60-year-old artist who lost his inspiration when his muse left him 10 years previously, who regains it when he falls in love with a sixteen-year-old played by Tatum