Text-book of Euclid's elements for the use of schools : books I - VI and XI (1900)
Hall, H. S. (Henry Sinclair), 1848-1934, Stevens, F. H. (Frederick Haller), 1853-1933 · MacMillan : London · leaf 419
e radical axis of (B) and (C) passes through O. II. If the circles intersect in such a way that O is within themall; the radical axes are then the common chords of the three circlestaken two and two ; and it is required to prove that these commoachords are concurrent. This may be shewn indirectly… … Let A and B be the centres of the given circles. It is required to draw their radical axis. If the given circles intersect, then the st. line drawn through theirpoints of intersection will be the radical axis. [Ex. 1, Cor. p. 397.]But if the given circles do not intersect, describe any circle so as…
Geometry · Mathematics
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