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Solution


Q.

Find the area of the sector of a circle with radius 4 cm and of angle 30°. Also, find the area of the corresponding major sector. (Use π = 3.14)

Ans.

(46.1)

Area of sector AOB =πr2θ360°=3.14×42×30°360°=4.19 cm2

Area of major sector = Area of circle – Area of sector AOB

=πr2-4.19=3.14×16-4.19=46.1 cm2