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MathNet 2019-part-06 — 184 problems (EN–VI) Question 51

Math Olympiad Vault · MathNet 2019-part-06 — 184 problems (EN–VI)

Question 51

An acute-angled triangle $ABC$ is inscribed in a circle $\omega$. The tangents to the circle $\omega$ at $A$ and $C$ intersect at $F$. The perpendicular bisector of segment $AB$ intersects the line $BC$ at $E$. Prove that the lines $FE$ and $AB$ are parallel.