In the given figure, O is the center of the circle, ∠DAB = 110° and ∠BEC = 100°. What is the value (in degrees) of ∠OCB?
1
5°
2
10°
3
35°
4
20°
In the given figure, O is the center of the circle, ∠DAB = 110° and ∠BEC = 100°. What is the value (in degrees) of ∠OCB?