Exercises on Euclid and in modern geometry for the use of schools, private students, and junior university students (1881)
McDowell, James L · Cambridge, Deighton, Bell, and Co. · leaf 217
hrough the two limiting points of the system with the sameradical axis. Therefore the circle described through the givenpoint and the two limiting points will be the required one. Next, let the circles touch, then (201, N.B.) every circle cut-ting the given circles orthogonally touches the line… … Lastly, let the given circles intersect in C and Z>, and let Aand B be their centres, and P the given point. Join AP, and cutit at G, so that the difference of the squares on AG and GP equalsthe square on radius of circle (A). Through G draw GO perpen-dicular to AP, and meeting the radical axis…
Geometry
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