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In a given figure, AOB is a flower bed i...

In a given figure, AOB is a flower bed in a shape of a sector of a circle of radius 25 m and `angle AOB = 60^(@)`. Also a 10 m wide concrete track is made as shown in the figure, flower bed is made at the rate of Rs. 3`"m"^2` and concrete track is made up of rate Rs. 25 `"m"^2`.

Find the area of concrete track.

A

`1027.61" m"^2`

B

`1740.4" m"^2`

C

`1046.67" m"^2`

D

`1774.16" m"^2`

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