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 99
Draw any line AB to the circle and cut it in B, so that AB : BBis in the given ratio. The locus of B is required. Join AO, and make AC : CO also in the given ratio. JoinOB, CB. 106.] AND IN MODERN GEOMETRY. 71 Because AD : DB :: AC : CO, therefore (VI. 2) CD isparallel to OB, and therefore the…
Geometry
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