In the given figure, if BD:CD = 4:5, ∠BAD = ∠CAD, and AB = 12 cm, then find the length of AC.
14 cm
15 cm
16 cm
18 cm
Given that
BD:CD = 4:5,
AB = 12 cm
∠BAD = ∠CAD this means AD is the angle bisector of angle BAC
Apply the concept of angle bisector