Difference between revisions of "1997 JBMO Problems/Problem 3"

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{{JBMO box|year=1997|num-b=2|num-a=4}}
{{JBMO box|year=1997|num-b=2|num-a=4}}
[[Category:Intermediate Geometry Problems]]

Revision as of 15:43, 17 September 2017


(Greece) Let $ABC$ be a triangle and let $I$ be the incenter. Let $N$, $M$ be the midpoints of the sides $AB$ and $CA$ respectively. The lines $BI$ and $CI$ meet $MN$ at $K$ and $L$ respectively. Prove that $AI+BI+CI>BC+KL$.


See also

1997 JBMO (ProblemsResources)
Preceded by
Problem 2
Followed by
Problem 4
1 2 3 4 5
All JBMO Problems and Solutions
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