Bicentric quadrilaterals through inversion - Albrecht Hess

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

    Bicentric quadrilaterals through inversion - Albrecht Hess​

    We show that inversion is a delightful tool for making some recent and some older results on bicentric quadrilaterals more transparent and to smoothen their proofs. As a main result we give an illustrative interpretation of Yun's inequality and derive a sharper form.

    [​IMG]​

    ✪ ✪ ✪ ✪ ✪


    Link tải tài liệu:

    LINK TẢI TÀI LIỆU


     

    Xem các chủ đề cùng chuyên mục

    LTTK CTV, 9/10/19
    #1