angle chasing, isosceles and angle bisectors (2015 Kyiv City MO 8.3)
Source:
September 2, 2020
geometryangle bisectoranglesisoscelesAngle Chasing
Problem Statement
In the isosceles triangle , the bisector was drawn, and in the triangle the bisector was drawn. Find the values of the angles of the triangle , if it is known that the bisectors of the angles and intersect on the line .(Fedak Ivan)