Concurrency of the angle bisectors of δwxy.
triangle w x y is shown. point s is the point of concurrency. lines are drawn from each point of the triangle to point s. lines are drawn from point s to the sides of the triangle to form right angles. line segments s v, s u, and s t are formed.
what is su?
su = 5
su = 7
su = 12
su = 13