Godfrey, C. (Charles), 1873-1924, Siddons, A. W. (Arthur Warry) joint author · Cambridge, University Press · leaf 115
nite number of circles (B) each of■which cuts all the circles of the system (A) orthogonally. We have still to show that these cutting circles (B) formanother coaxal system. Consider any one circle of the system (A); the tangents fromits centre to the orthogonal circles (B) are each a radius of… … ?. 56. coaxal circles 97 Theorem 43. Of two orthogonal systems of coaxal circles, onesystem is of the intersecting type and the other of thenon-intersecting type, and the limiting points of thelatter are the common points of the former. Suppose that a system (A) of coaxal circles is of the…
Geometry, Modern
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