Points on an Angle Bisector

Explanations 1

• Here is a picture. In the figure, if ∠BAD=∠CAD\angle BAD = \angle CAD∠BAD=∠CAD the internal angle BACBACBAC is bisected, implying ADADAD is its internal angle bisector. It is im…

  By Vincent Huang, Po-Shen Loh