Find the area of the segment \(AYB\) shown in the figure, if the radius of the circle is \(21 cm\) and \(\angle AOB = 120^\circ\). (Use \(\pi = \frac{22}{7}\)
 
YCIND_240408_6170_circle_A1.png
 
Solution:
 
Area of the sector \(OAYB\) \(=\) \(cm^2\)
 
\(AB = \) \(AM\)
 
Area of the segment \(AYB\) \(=\) ii×(iii)\(cm^2\)