A triangle has corners at points A, B, and C. Side AB has a length of #16 #. The distance between the intersection of point A's angle bisector with side BC and point B is #8 #. If side AC has a length of #19 #, what is the length of side BC?
1 Answer
Jan 25, 2017
Explanation:
Let D be the intersection of point A's bisector with side BC, then
By the bisector theorem, it is:
Then
that's
Since