KöMaL 2015 A639
The angle trisectors of a triangle bound a convex hexagon in the interior of the triangle. Prove that the diagonals of this hexagon, that connect opposite vertices, are concurrent.
Official text KöMaL. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.