MEMO 2024 I3
Let be an acute scalene triangle. Choose a circle passing through and which intersects segments and again in points and , respectively. Let be the intersection of and . Let be the point on the circumcircle of such that is tangent to . Similarly, let be the point on the circumcircle of such that is tangent to . Prove that there exists a point , independent of the choice of , such that the circumcircle of passes through .
Official text Middle European Mathematical Olympiad 2024 official paper, page 1. Quoted with source.
A model read this text from the scan of the paper by OCR, with vision/local (GLM-OCR-8bit). No person has checked it against the paper yet.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.