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 161
Fig. i. Let the transversal DEF cut the sides of the triangle ABC inthe points D, E, F, so that CF, FB, BD, DA, AE, EC are thesix segments taken in order. 9—2 132 . EXERCISES ON EUCLID [167. Through C draw CG parallel to AB and meeting DF in G. … Therefore BF : FC :: BD : CG :: f^/ JJ) (ZM : CG)
Geometry
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