KöMaL 2014 C1230
Three lattice points are selected at random out of the lattice points lying on the circle of equation . What is the probability that the three points form a right-angled triangle?
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.