2 liters of water in a regular tetrahedron of edge 30 cm
Source: Spanish Mathematical Olympiad 1983 P7
December 23, 2022
geometry3D geometrytetrahedronVolume
Problem Statement
A regular tetrahedron with an edge of cm rests on one of its faces. Assuming it is hollow, liters of water are poured into it. Find the height of the ''upper'' liquid and the area of the ''free'' surface of the water.