JEE Advanced Mathematics question

Mathematics Solution of Triangles JEE Advanced

Not in JEE syllabus

In a triangle ABC, . If and are its circumradius and inradius respectively then is equal to

(A)AM of and Correct
(B)AM of and
(C)AM of and
(D)perimeter

Answer: (A)

Solution

. Then . \tan$

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Question ID VK-110142