Advanced Geometric Problem & Solution (Twice a week update) Now 4880 problems posted.
<Qua-2026-833>, hint
<Qua-2026-833>, general, bisector
<Sweden MO 2018>
<Tri-2026-2793>, hint
<Tri-2026-2793>, general, median
<Sweden MO 2020>
<Tri-2026-2792>, hint
