MathDB
Maximum distance between spheres

Source:

March 15, 2006
geometry3D geometrysphereinequalitiestriangle inequality

Problem Statement

What is the largest possible distance between two points, one on the sphere of radius 19 with center (2,10,5)(-2, -10, 5) and the other on the sphere of radius 87 with center (12,8,16)(12, 8, -16)?