Advanced Geometric Problem & Solution (Twice a week update) Now 4910 problems posted.
<Cir-2026-814>, hint
<Cir-2026-814>symmetric, bisector
<Swiss MO 2019>
<Tri-2026-2808>, hint
<Tri-2026-2808>, general, bisector
<Swiss MO 2018>
<Tri-2026-2807>, hint
