Moldova NMO, 11th grade, Day 2, Problem 7
Source: ...
March 4, 2007
geometry3D geometrytetrahedronAMCUSA(J)MOUSAMOinequalities
Problem Statement
Given a tetrahedron with edges , and perpendicular any two of them. The sum of the lengths of the tetrahedron's edges is . Find the maximal volume of .