Q. 64.5( 17 Votes )

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Answer :

(1) Radius of circle, r = 7cm

Area of circle,AC = πr2



AC = 154 sq. cm


area of circle is 154 sq.cm


(2) Angle subtended by the arc = 60°


As we know,





A(O- MBN) = 25.7 sq. cm


(3) A(O- MCN) = Area of circle – A(O – MBN)


Area(O – MCN) = AC – 25.7


Area(O – MCN) = 154 – 25.7


Area of major sector is 128.3 sq. cm


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