USAMO 1978 Problem 4
- Day 2
Show that if the angle between each pair of faces of a tetrahedron is equal, then the tetrahedron is regular.
Does a tetrahedron have to be regular if five of the angles are equal?
Dataset text NuminaMath olympiads. 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.