MathDB
2017 G3: Two Differences Determine Another Difference

Source:

January 29, 2017
2017geometry

Problem Statement

In acute triangle ABCABC, points DD and EE are the feet of the angle bisector and altitude from AA respectively. Suppose that ACAB=36AC - AB = 36 and DCDB=24DC - DB = 24. Compute ECEBEC - EB.