Question

In the triangle ABC. If is given that AB/AC = BD/DC. If angle B=60 degree and angle C=80 degree then angle BAD will be​

Answer 1

Step-by-step explanation:

In triangle ABC

AD is the bisector of angle A.

By Angle Sum Property

angle B+angle C+angle A=180 degrees

angle A= 180-140

angle A= 40 degrees

so angle BAD =40/2

=20 degrees