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Eamcet Mathematics
Trigonometry Properties of Triangles

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

A. a cot(π/n)

B. a/2 cot(π/2n)

C. a cot(π/2n)

D. a/2 cot(π/n)

E. None of the above

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Correct choice: B

Explanation:

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Eamcet Mathematics Trigonometry Properties of Triangles

Eamcet Mathematics
Trigonometry Properties of Triangles