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2012 Spring CHMMC Tiebreaker 2 - min volume of convex octahedron

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March 1, 2024
geometry3D geometryoctahedrongeometric inequalityCHMMC

Problem Statement

A convex octahedron in Cartesian space contains the origin in its interior. Two of its vertices are on the xx-axis, two are on the yy-axis, and two are on the zz-axis. One triangular face FF has side lengths 17\sqrt{17}, 37\sqrt{37}, 52\sqrt{52}. A second triangular face F0F_0 has side lengths 13\sqrt{13}, 29\sqrt{29}, 34\sqrt{34}. What is the minimum possible volume of the octahedron?