Find the areas of a sector of angle `120^(@)` and is corresponding major sector of a circle of radius 21cm.

Find the differnce of the areas of a minor sector of angle 120^(@) and its corresponding major sector of a circle of radius 21 cm.

Find the difference of areas of a sector of angle 120^(@) and its corresponding major sector of a circle of radius 21cm.

Find the difference in the area of a sector of angle 120^@ and its corresponding major sector in a circle of radius 21cm.

Find the difference of the area of a sector of angle 90^@ and its coresponding major sector of a circle of radius 9.8 cm

Find the area of the sector of a circle of angle 120^(@) , if the radius of the circle is 21 cm.

Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60°.

Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60^@