A theorem on orthology centers - Eric Danneels and Nikolaos Dergiades

  1. Tác giả: LTTK CTV
    Đánh giá: ✪ ✪ ✪ ✪ ✪

    A theorem on orthology centers - Eric Danneels and Nikolaos Dergiades​

    We prove that if two triangles are orthologic, their orthology centers have the same barycentric coordinates with respect to the two triangles. For a point P with cevian triangle A'B'C', we also study the orthology centers of the triangle of circumcenters of PB'C', PC'A', and PA'B'.

    [​IMG]​

    ✪ ✪ ✪ ✪ ✪


    Link tải tài liệu:

    LINK TẢI TÀI LIỆU


     

    Xem các chủ đề cùng chuyên mục

    LTTK CTV, 4/10/19
    #1