PDF chapter test TRY NOW

Let us consider the image given below and answer the question that follows.
 
6.svg
 
Here, for a circle with O as the centre, area of the sector OAPB is \frac{9}{36} times the area of the circle. Find the angle subtended by 'O' to form the sector.
 
The angle subtended by 'O' to form the sector = ^\circ