The angle subtended at the center of a circle is
In the figure, PT touches a circle with center O at R. Diameter SQ when produced meets RT at P. ∠SPR = o, ∠QRP = yo, find the value of o + 2yo.
Question 3
In a pie chart, the total angle at the centre of the circle is:
(a) 180°
(b) 360°
(c) 270°
(d) 90°