Advanced Geometric Problem & Solution (Twice a week update) Now 4838 problems posted.
<Cir-2026-805>, hint
<Cir-2026-805>, general, construction
<Spain MO 2000>
<Tri-2026-2361>,hint
<Tri-2026-2361>, general, incenter
<Spain MO 2361>
<Tri-2026-2360>, hint
