Mathematics
In the given figure, O is the center of the circle and angle OAB = 55°, then angle ACB is equal to :
55°
35°
70°
30°
Related Questions
In a cyclic quadrilateral ABCD, ∠A : ∠C = 3 : 1 and ∠B : ∠D = 1 : 5; find each angle of the quadrilateral.
In the given figure, O is the center of the circle and chord AB : chord CD = 3 : 5. If angle AOB = 60°, angle COD is equal to :
60°
120°
90°
100°
In the given figure, O is the center of a circle. AB is the side of a square and BC is side of a regular hexagon. Also arc AD = arc CD. Angle DOC is equal to :
150°
105°
130°
210°
In the given figure, O is the center of the circle, AB is side of a regular pentagon, then angle ACB is equal to :
36°
72°
50°
40°
