Advanced Geometric Problem & Solution (Twice a week update) Now 4882 problems posted.
<Tri-2026-2795>, hint
<Tri-2026-2795>, general, cyclic
<Swiss MO 2005>
<Tri-2026-2794>, hint
<Tri-2026-2794>, general, tangent
<Swiss MO 2004>
<Qua-2026-833>, hint
