In a given acute triangle , locate a point whose distances from , , and have the smallest possible sum. The solution is the point from which each side subtends an angle of , known as the first Fermat point.
Fermat's Problem
See also
Acute Triangle, Fermat PointsExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Fermat's Problem." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/FermatsProblem.html