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 260
cle, is said to correspond to theline or point, and the centre of the circle is often called theorigin, and the circle itself the auxiliary circle, 263. Given the base and the difference of the sides of atriangle; the polar of the vertex with respect to one extremityof the base as origin always… … BC and AG the bisector of the vertical angle BAC. Then DG ishalf BE, and the locus of G is the fixed circle, with centre D andradius DG (23). Let this circle meet CE again in F, and let LMthe polar of A with respect to the origin C meet EC in M. DrawMN parallel to AC. Then N is a fixed point, and…
Geometry
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