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Problem 133. Triangle,
Angle Bisectors, Collinear Points.
Level: High School, SAT Prep, College |
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In the figure below, given a triangle
ABC. Let be AE and CD angle bisectors of angles A and C, and BF
the exterior angle bisector of angle B. Prove that D, E, and F
are collinear points.
Post a comment or solution.
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