Question

plzz mate ans thus one plzz​

Answer 1

Here is your answer .

Since ABC is an equilateral triangle , it's each angle is 60° .

Hope it helped you !!

Answer 2

Answer:

In equilateral triangle all angles are 60°,and OB and OC are angle bisectors ,therefore,

In triangle BOC,(by angle sum property)

OCB+OBC+BOC=180°

30°+30°+BOC=180°

BOC=180°-60°

BOC=120°

Hope it helps you...