

Online Geometry
Problem 625: Triangle, Parallel Lines, Congruence, Angle
Bisector, Similarity. Level: High School, Honors Geometry, College,
Mathematics Education

The figure shows a triangle ABC with AD
parallel to CB, CE parallel to AB, and AD = CE. If AE and CD meet at F,
prove that BF is the
bisector of the angle ABC.

Poster and Typography of Problem
625






