Prove that the sum of the radii of the radii of the circles, which are, respectively, inscri...

40 views · Published 21 September 2017 · 3:18 · Indexed 23 October 2026

Channel: Doubtnut · 2017 · Education

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To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Prove that the sum of the radii of the radii of the circles, which are,
  respectively, inscribed and circumscribed about a polygon of `n`
sides, whose side length is `a ,`
is `1/2acotpi/(2n)dot`

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