ratio of areas, hexagon / triangle : G/F>13
Source: 1993 German Federal - Bundeswettbewerb Mathematik - BWM - Round 1 p4
November 20, 2022
ratiogeometric inequalityareasgeometry
Problem Statement
Given is a triangle with side lengths (, , ) and area . The side is extended beyond by a and beyond by . Correspondingly, is extended beyond and by and , respectively. Eventually is extended beyond and by and , respectively. Connecting the outer endpoints of the extensions , a hexagon if formed with area . Prove that .