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IIT JEE Advanced 2010 Paper 2

Section: Mathematics

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Question : 49 of 57

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Consider a triangle ABC and let a, b and c denote the lengths of the sides opposite to vertices A, B and C respectively. Suppose a = 6, b = 10 and the area of the triangle is 15√3. If ∠ACB is obtuse and if r denotes the radius of the incircle of the triangle, then r2 is equal to _____.

[JEE Adv 2010 P2]

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