Simple Proofs of Feuerbach’s Theorem and Emelyanov’s Theorem - Nikolaos Dergiades and Tran Quang Hung LTTK TEZ xin giới thiệu với bạn đọc yêu...
A Construction of the Golden Ratio in an Arbitrary Triangle - Tran Quang Hung LTTK TEZ xin giới thiệu với bạn đọc yêu thích tạp chí Hình học...
Another simple construction of the golden section in an isosceles triangle - Tran Quang Hung Given an isosceles triangle, consider the circle...
A simple synthetic proof of Lemoine's theorem - Tran Quang Hung Using similar triangles and cyclic quadrilaterals, we shall give a simple...
Another simple construction of the golden section with equilateral triangles - Tran Quang Hung A simple construction of the golden section with...
Euler line in the golden rectangle - Tran Quang Hung We establish a relationship between a golden rectangle and the Euler line of a triangle...
Another synthetic proof of the butterfly theorem using the midline in triangle - Tran Quang Hung We give a new synthetic proof of the butterfly...
The golden section in the inscribed square of an isosceles right triangle - Tran Quang Hung We prove the occurrence of the golden section with...
Two more pairs of Archimedean circles in the arbelos - Tran Quang Hung We construct two more pairs of Archimedean circles in the arbelos. One of...
Two tangent circles from jigsawing quadrangle - Tran Quang Hung We establish the tangency of two circles associated with the jigsawing quadrangle...
