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min sum of areas, open rectangular prism box 2020 BMT Team 12

Source:

January 7, 2022
geometry3D geometryprismgeometric inequality

Problem Statement

A hollow box (with negligible thickness) shaped like a rectangular prism has a volume of 108108 cubic units. The top of the box is removed, exposing the faces on the inside of the box. What is the minimum possible value for the sum of the areas of the faces on the outside and inside of the box?