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The area of the circle and the area of a...

The area of the circle and the area of a regular polygon of `n` sides and the perimeter of polygon equal to that of the circle are in the ratio of `tan(pi/n):pi/n` (b) `cos(pi/n):pi/n` `sinpi/n :pi/n` (d) `cot(pi/n):pi/n`

A

`tan.(pi)/(n) : (pi)/(n)`

B

`cos.(pi)/(n) : (pi)/(n)`

C

`sin.(pi)/(n) : (pi)/(n)`

D

`cot.(pi)/(n) : (pi)/(n)`

Text Solution

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The correct Answer is:
A
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