A triangle has corners points A, B, and C. Side AB has a length of #12 #. The distance between the intersection of point A's angle bisector with side BC and point B is #4 #. If side AC has a length of #18 #, what is the length of side BC?
1 Answer
Jun 17, 2016
Explanation:
Let the angle-bisector of
then, by the property of angle-bisector, we have
But, given that,
Evidently,