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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 circumference of the circle having radius 25m.

A

158 m

B

157.14 m

C

156.21 m

D

155.28 m

Text Solution

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The correct Answer is:
B
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