Godfrey, C. (Charles), 1873-1924, Siddons, A. W. (Arthur Warry) joint author · Cambridge, University Press · leaf 106
ints P and Q; fromany point on PQ produced draw tangents to the circles; prove that thesetangents are of equal length. Definition. The locus of the points from which tangentsdrawn to two circles are equal is called the radical axis of thetwo circles. In Ex. 380, we have seen that in the case of two… … fig. 49. 88 THE EADICAL AXIS
Geometry, Modern
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