isosceles if it has 2 equal excircles
Source: 2006 Austria Beginners' Competition p4
October 12, 2022
isoscelesexcircleexcirclesequal circlesgeometry
Problem Statement
Show that if a triangle has two excircles of the same size, then the triangle is isosceles.(Note: The excircle to the side touches the extensions of the sides and and the side .)