In the diagram given AC is the diameter of the circle, with centre O. CD||BE, ∠AOB = 800 and ∠ACE = 100. Calculate ∠BCD, ∠CED.
110, 20
100, 30
110, 35
100, 25
120, 50
In the given figure, AC the diameter of the circle with centre O. CD and BE are parallel. Angle ∠ AOB = 80o and ∠ ACE = 10o. Calculate :
(i) Angle BEC,
(ii) Angle BCD,
(iii) Angle CED.