Mathematics
In the adjoining figure, O is the centre of the circle. If ∠OAB = 40°, then ∠ACB is equal to
50°
40°
60°
70°
Related Questions
In the adjoining figure, O is the centre of the circle. If the length of the chord PQ is equal to the radius of the circle, then ∠PRQ is
60°
45°
30°
15°
In the adjoining figure, O is the centre of the circle. If ∠BAO = 60°, then ∠ADC is equal to
30°
45°
60°
120°
ABCD is a cyclic quadrilateral such that AB is a diameter of the circle circumscribing it and ∠ADC = 140°, then ∠BAC is equal to
80°
50°
40°
30°
In the adjoining figure, if O is the centre of the circle then the value of x is
18°
20°
24°
36°
