MathDB
2015 JHMT Geometry #9

Source:

September 5, 2023
geometry

Problem Statement

In a triangle ABCABC, two angle trisectors of AA intersect with BCBC at DD and EE respectively so that B,D,E,CB,D,E,C comes in order. If we have BD=3BD = 3, DE=1DE = 1 and EC=2EC = 2, find DAE\angle DAE.