all triangles that can be split into 2 congruent pieces by 1 cut
Source: (2021 -) 2022 Dürer Math Competition Regional E+2 https://artofproblemsolving.com/community/c1621671_
November 30, 2022
combinatorial geometrycongruent trianglesgeometry
Problem Statement
Determine all triangles that can be split into two congruent pieces by one cut. A cut consists of segments , , . . . , where points are distinct, points and lie on the perimeter of the triangle and the rest of the points lie in the interior of the triangle such that the segments are disjoint except for the endpoints.