JEE Advanced 2022 Paper 1

Section: Mathematics
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Question : 8 of 54
 
Marks: +1, -0
Let ABC be the triangle with AB=1,AC=3 and ∠BAC=‌
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2
. If a circle of radius r>0 touches the sides AB,AC and also touches internally the circumcircle of the triangle ABC, then the value of r is_______
[JEE Adv 2022 P1]
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