This is the basic and conceptual question from Chapter name- circles
Topic – Angle properties of circles
Chapter number- 15,
In this question we have AP and BP are tangents to the circle with centre O.
Also Given that ∠APB = 60°,
Now we have to calculate. (i) ∠AOB (ii) ∠OAB (iii) ∠ACB.
ICSE Avichal publication
Understanding ICSE Mathematics