A triangle has corners at points A, B, and C. Side AB has a length of 56 . The distance between the intersection of point A's angle bisector with side BC and point B is 9 . If side AC has a length of 42 , what is the length of side BC?
1 Answer
Dec 21, 2017
Length of side BC = 21
Explanation:
Let the point where the angle bisector intersects with
side BC be D
"using the "color(blue)"angle bisector theorem"