Posts

t/ch ga nisbatan symmetrik ko'chirilgan uchburchak

IMO 2021, 3-masala

ARMO 2010, 11-sinf, 3-m

harmonik nuqtalar va tanish config (Serbian NO)

Uchburchakning tashqi-ichki aylanasi va ba'zi natijalar

oson geo (Balkan 2022SL, G6)

harmonik nuqtalar hosil qilgan Apollon aylanalari ortogonaldir

$PQ\parallel KH$

trapetsiya (10-sinf, agentlik olimpiadasi)

$PX$ t/ch $(CXY)$ aylanaga urinadi

Balkan MO 2023, P2

ajoyib masala (geo)

oltiburchak va bitta t/ch da yotuvchi nuqtalar

St. Petersburg 2022 dan ajoyib masala