Advanced Geometric Problem & Solution (Twice a week update) Now 4810 problems posted.
<Yti-2026-2345>, hint
<Tri-2026-2345> general, construction
<Spain MO 1975 >
<Tri-2026-2344>, hint
<Tri-2026-2344>, equilateral, area
<Spain MO 1965>
<Tri-2026-2343>, hint
