Problem, Kenan Rustemov, Trianing Geometry Olympiad II

 

Geometri Gunlugu 385, Kadir Altintas

 

Geometria Super Top

 

Geometria (solo trazos), Fre Qsj

 My solution to problem posted by Fre QSj, requesting assistance

Romantics of Geometry, 12479, Stanley Rabinowitz

 In the attachment

Stanley Rabinowitz, Romantics of Geometry, "plum challenge"

 

Own problem, inspired by Kadir Altintas

 Attached, own problem inspired by Kadir Altintas and my proof