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 159
C, D, the … intersections of the corresponding rays, lie in the same straightline. 167.] AND IN MODEKN GEOMETRY. 131 Let CB produced meet OA in A, and, if possible, let it notpass through D, but meet OD and OD in F and E7 Because {0 . ABCF) = {0. ABCE] (hyp.), _- therefore AF. BC : AB . CF :: AE.BC : AB. CE,or…
Geometry
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