The Miquel points, pseudocircumcenter, and Euler-Poncelet point of a complete quadrilateral - Michal Rolinek and Le Anh Dung We prove over 40 similarities in the configuration of a complete quadrilateral and the Miquel points. Then we introduce a generalized circumcenter and prove a theorem on the Euler-Poncelet point. ✪ ✪ ✪ ✪ ✪ Link tải tài liệu: LINK TẢI TÀI LIỆU Theo LTTK Education