II.2

Part of Ukrainian TYM Qualifying - geometry

Problems(1)

are congruent triangles the faces of tetrahedron with same area?

Source: II All-Ukrainian Tournament of Young Mathematicians, Qualifying p2

Is it true that when all the faces of a tetrahedron have the same area, they are congruent triangles?

geometrycongruent triangles3D geometrytetrahedronUkrainian TYM