Mathematics
In the given figure, O is the center of the circle, chords AB, CD and EF are equal whereas chords BC, DE and FA are separately equal. The angle AOC is equal to :
80°
100°
90°
120°
Related Questions
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°
In the following figure, AD is the diameter of the circle with centre O. Chords AB, BC and CD are equal. If ∠DEF = 110°, calculate :
(i) ∠AEF, (ii) ∠FAB.
In a cyclic-trapezium, the non-parallel sides are equal and the diagonals are also equal. Prove it.
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°
