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The angle of a sector of a circle is 108...

The angle of a sector of a circle is `108^(@)` and radius of the circle is 15 m. The ratio of the circumference of the circle and the length of the arc of the sector is _______

A

`3:10`

B

`10:3`

C

`1:3`

D

`3:1`

Text Solution

Verified by Experts

The correct Answer is:
B
`"The required ratio"=2pir:(2pirxx108)/(360)`
`=360:108=10:3`
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