help pls This figure shows △ABC. BD¯¯¯¯¯ is the angle bisector of ∠ABC. What is AD? Enter your answer, as a fraction, in the box. units $\text{Basic}$ $x$$y$$x^2$$\sqrt{ }$$\frac{x}{ }$ $x\frac{ }{ }$ $x^{ }$$x_{ }$$\degree$$\left(\right)$$\abs{ }$$\pi$$\infty$ A triangle with vertices labeled as A, B, and C. Side A C is base. Side A C contains a midpoint D. A line segment drawn through vertex B bisects angle A B C into two parts labeled as A B D and C B D. Angles A B D and C B D are marked with one arc. Side AB is labeled 8. Side BC is labeled 10. Base AC is labeled 6.