MathDB
2006 JHMT Geometry #7

Source:

September 1, 2023
geometry

Problem Statement

ADAD is the angle bisector of the right triangle ABCABC with ABC=60o\angle ABC = 60^o and BCA=90o\angle BCA = 90^o. EE is chosen on AB\overline{AB} so that the line parallel to DE\overline{DE} through CC bisects AE\overline{AE}. Find EDB\angle EDB in degrees.