Advanced Geometric Problem & Solution (Twice a week update) Now 4868 problems posted.
<Tri-2026-2784>, hint
<Tri-226-2784>, right, other
<Sweden MO 1992>
<Tri-2026-2783>, hint
<Tri-2026-2783>, general, area
Sweden MO 1988
<Tri-2026-2782>, hint
