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The sum of the radii of inscribed and ci...

The sum of the radii of inscribed and circumscribed circle of an n sides regular polygon of side `a` is

A

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

B

`a cot""pi/n`

C

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

D

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

Text Solution

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The correct Answer is:
D
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OBJECTIVE RD SHARMA-PROPERTIES OF TRIANGLES AND CIRCLES CONNECTED WITH THEM-Chapter Test
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