Reflection in triangle 2018
03/17/2018 បញ្ចេញមតិ
Let be points lies on .
Let such that and Let such that .
The same ways we get and .
Prove that
Author: Van Khea, Cambodia
ចែកគ្នាចេះ ចែកគ្នាដឹង ចែកគ្នា…
03/17/2018 បញ្ចេញមតិ
Let be points lies on .
Let such that and Let such that .
The same ways we get and .
Prove that
Author: Van Khea, Cambodia
01/14/2018 បញ្ចេញមតិ
Let be circumcenter of an equilateral triangle and let be circumcenter of . Let tangent to at . are projection points from to . are projection points from to .
Prove that
Author: Van Khea, Cambodia
12/17/2017 បញ្ចេញមតិ
Let be point lie on arc of an equilateral triangle such that . Let and be points such and .
Prove that
Author: Van Khea, Cambodia
12/10/2017 បញ្ចេញមតិ
be midpoints of an equilateral triangle . be point lie on incircle of .
Prove that
Author: Van Khea, Cambodia
12/08/2017 បញ្ចេញមតិ
Line tangent to incircle of an equilateral triangle at .
Prove that
Author: Van Khea, Cambodia
11/25/2017 បញ្ចេញមតិ
is an equilateral triangle. Prove that:
Author: Van Khea, Cambodia
មតិថ្មីៗ