In Fig. 16.202, O is the centre of the circle such that ∠AOC=130°, then ∠ABC=
We have,
∠AOC = 130°
∠ABC = 
* (Reflex of AOC)
= 
* (360o – 130o)
= 
* 230
= 115°
26
In Fig. 16.202, O is the centre of the circle such that ∠AOC=130°, then ∠ABC=
We have,
∠AOC = 130°
∠ABC = * (Reflex of AOC)
= * (360o – 130o)
= * 230
= 115°