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Exradii and Circumradius (Posted on 2008-06-10) Difficulty: 3 of 5
If ra, rb, rc are exradii of triangle ABC with sides a,b,c and circumradius R, then show that:
(a/ra)+(b/rb)+(c/rc) ≤ 2R(1/a+1/b+1/c)

See The Solution Submitted by Praneeth    
Rating: 4.0000 (1 votes)

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