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+9 votes
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asked May 16, 2016 in Olympiad by sarthaks (25,122 points) ● 9 ● 24 ● 36

1 Answer

+5 votes
answered May 21, 2016 by Abhishek Kumar (14,593 points) ● 5 ● 9 ● 35
selected May 21, 2016 by sarthaks
 
Best answer

Area of Sector = n/360*3.14*r2

where n= central angle and r= radius of circle

Angle made by larger sector with center D AND B is 1200 and by A and C is 600

Area of shaded portion is 2/3*3.14*42+1/3*3.14*42= 100.48cm2

commented May 21, 2016 by vikash (21,277 points) ● 4 ● 19 ● 70
Nice Answer!
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