MathDB
Fun Solids

Source:

November 13, 2005
geometry3D geometryoctahedronratioicosahedronpyramidtrigonometry

Problem Statement

Given that OO is a regular octahedron, that CC is the cube whose vertices are the centers of the faces of OO, and that the ratio of the volume of OO to that of CC is mn\frac{m}{n}, where mm and nn are relatively prime integers, find m+nm+n.