Question

TEST YOUR KNOWLEDGE 8.2
VERY SHORT ANSWER TYPE PROBLEMS
1.
PA and PB are tangents drawn from a point P to the circle with centre o
IF APB = 60°, then what is AOB?
​

Answer 1

Answer:

As , PA and PB are the tangents

so, we know

The angles inside the tangents of a circle make 180°

so,

<A PB + < AOB = 180°

60° + < AOB = 180°

<AOB = 120°