Advanced Geometric Problem & Solution (Twice a week update) Now 4576 problems posted.
<Tri-2025-2206>, hint
<Tri-2025-2206>, right , bisector
<Romania National Olympiad 2016>
<Tri-2025-2205>, hint
<Tri-2025-2205>, general
<Romania National Olympiad 2015>
<Qua-2025-764> hint