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If theta is the angle (in degrees) of a...

If `theta` is the angle (in degrees) of a sector of a circle of radius r, then area of sector is

A

`theta/360 xx pi r^(2)`

B

`theta/180 xx pi r^(2)`

C

`theta/360 xx 2pi r`

D

`theta/180 xx 2pi r`

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The correct Answer is:
A
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