In Fig. 4.58, ∆ABC is a triangle such that ABAC=BDDC, ∠B=70°, ∠C=50°. Find the ∠BAD.

In Fig. 4.58, ∆ABC is a triangle such that ABAC=BDDC, ∠B=70°, ∠

1.	In Fig. 4.58, ∆ABC is a triangle such that ABAC=BDDC, ∠B=70°, ∠C=50°. Find the ∠BAD.
Answer» In Fig. 4.58, ∆ABC is a triangle such that $\frac{AB}{AC} = \frac{BD}{DC}, ∠ B = 70 °, ∠ C = 50 °$ . Find the ∠BAD.