Question

What is angle of the sector whose area is 1/3 rd of the circle

Answer 1

1/3 area of circle =1/3  $\pi r^{2}$
area of sector = 1/2 $r^{2} \alpha$

now u can find angle

by equalizing the both equations

Answer 2

$\bf\huge{Question:-}$

What is angle of the sector whose area is 1/3 rd of the circle

$\bf\huge{answer:-}$

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