IIT JEE TRIGONOMETRIC FUNCTIONS The area of a regular polygon of `n` sides is (where `r` is inrad...

378 views · Published 22 September 2017 · 4:22 · Indexed 26 October 2026

Channel: Doubtnut · 2017 · Education

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This is the Solution of question from Cengage Publication Math Book Trigonometry Chapter 6 TRIGONOMETRIC FUNCTIONS written By G. Tewani. You can Find Solution of all math questions from CENGAGE BOOK on our app DOUBTNUT for free. Download Doubtnut from - https://doubtnut.app.link/hKPiy4EHxR

The area of a regular polygon of `n`
sides is (where `r`
is inradius, `R`
is circumradius, and `a`
is side of the triangle)
`(n R^2)/2sin((2pi)/n)`
 (b)
 `n r^2tan(pi/n)`

`(n a^2)/4cotpi/n`
 (d) `n R^2tan(pi/n)`

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