KöMaL 2008 B4118
Is it possible to obtain a closed disc as a union of two disjoint and congruent point sets? (A closed disc includes the points of the circumference of the circle, too.)
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.