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The sum of radii of inscribed and circum...

The sum of radii of inscribed and circumscribed circles of an `n` sided regular polygon of side `a` is

A

`(a)/(2)cot((pi)/(2n))`

B

`acot((pi)/(2n))`

C

`(a)/(4)"cot"((pi)/(2n))`

D

` acot((pi)/(n))`

Text Solution

Verified by Experts

The correct Answer is:
a
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