What is angle of the sector whose area is 1/3 rd of the circle
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area of sector = 1/2
now u can find angle
by equalizing the both equations
What is angle of the sector whose area is 1/3 rd of the circle
1/3 area of circle =1/3 \pi r^{2}πr
2
area of sector = 1/2 r^{2} \alphar
2
α
now u can find angle
by equalizing the both equations