User blog comment:Wildoneshelper/I question you... (Episode 5) (Academic version)/@comment-17897872-20140620050805

3b. Draw an angle bisector of angle B and extend it to Line AC. Call the point where it intersects AC point E. Since triangles BEA and BEC are congruent by the SAS theorem...you know what, forget this. My geometry teacher wasn't the best :)