ISL 2023 G6
Let be an acute-angled triangle with circumcircle . A circle is internally tangent to at and also tangent to at . Let and intersect at and respectively. Let and be points on line such that is the midpoint of and is the midpoint of . Lines and meet at and intersect again at and respectively. The ray meets the circumcircle of triangle at .
Official text Transcription from NuminaMath olympiads, checked word for word against the official paper. Quoted with source.
Official text: IMO 2023 Shortlist booklet, page 9.
Solutions
Official solution Solution 1 by the IMO Problem Selection Committee
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