SOME USEFUL INEQUALITIES FOR TRIANGLES
Keywords:
triangle, inequality, theorem, area , Klamkin’s inequality, , circumcircle , incircleAbstract
In this note we establish conditions proving the theorems of A.Oppenheim and Klamkin , then we solve some problems.Below, we let denote the sides BC ,AC, AB, circumradius, inradius, semiperimeter, area of the triangle ABC respectively.
References
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