In the given figure, O is the centre of the circle. Find the value of x.
30°
40°
50°
100°
In the figure ∠ABD=50∘ ∠ABD=∠ACD [∵ Angles in the same segment are equal] ∴∠ACD=∠ABD=50∘
In the given figure, O is the centre of the circle. Find x.
In the given figure, O is the centre of a circle. If ∠AOB=40∘ and ∠BDC=100∘ then find ∠OBC.