IMO 1972 Problem 6
- Day 2
Given four distinct parallel planes, prove that there exists a regular tetrahedron with a vertex on each plane.
Official text Transcription from AI-MO AoPS, checked word for word against the official paper. Quoted with source.
Official text: IMO 1972 official English paper, page 1.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.