The area of a minor sector of $\odot( P , 30)$ is $300 \,cm ^{2} .$ The length of the arc corresponding to it is ...........$cm .$
The area of a minor sector of $\odot( P , 30)$ is $300 \,cm ^{2} .$ The length of the arc corresponding to it is ...........$cm .$
- A
$40$
- B
$30$
- C
$10$
- D
$20$
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