Problem 328. Triangle, Incircle, Tangency Points,
Parallel, Midpoint
|
|
The figure shows a triangle
ABC with the incircle I and the tangency points D, E, and F. The
line through A parallel to FE meets DE at G. The line through A
parallel to DE meets FE at H. Prove that the line GH bisects AB
and AC.

|
|
|