Proposed Problems |
1, 10, 20,
Triangle, angles, incircle.
Level: High School, SAT Prep, College
In the figure below, a
triangle ABC is
tangent to sides BC, AC, and AB at
D, E, and F, respectively.
AO and FD meet at H, and lines CO and DF meet at G.
that angle GEH is congruent to angle ABC.