Question

in the given find ans with steps​

Answer 1

Step-by-step explanation:

In ∆ABC :

69° + 31° + angle BAC = 180°

100° + angle BAC = 180°

angle BAC = 80°

Now, in the circle, angle BAC and angle BDC lies on same line segment BC. So they must be equal.

angle BDC = angle BAC = 80°