§ Trigonometry · Properties of Triangle
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TrigonometryProperties of TriangleInteger TypeMedium
Q27.Consider a triangle and let denote the lengths of the sides opposite to vertices respectively. Suppose , and the area of the triangle is . If is obtuse and if denotes the radius of the incircle of the triangle, then is equal to
Subjective / proof problem — work it out in the Scratchpad, then reveal the solution.
citeJEE (Advanced) 2010 — Mathematics — Paper 2
2010id · f6a4524e