This is the basic and conceptual question from Chapter name- circles

Topic – Angle properties of circles

Chapter number- 15

It is given that O is the circumcentre of the triangle ABC and D is mid-point of the base BC. And we have to Prove that ∠BOD = ∠A by using the properties of circles.

ICSE Avichal publication

Understanding ICSE Mathematics

Question 11

Solution: