IMO Shortlist 2006 problem G10
Dodao/la:
arhiva2. travnja 2012. Assign to each side

of a convex polygon

the maximum area of a triangle that has

as a side and is contained in

. Show that the sum of the areas assigned to the sides of

is at least twice the area of

.
%V0
Assign to each side $b$ of a convex polygon $P$ the maximum area of a triangle that has $b$ as a side and is contained in $P$. Show that the sum of the areas assigned to the sides of $P$ is at least twice the area of $P$.
Izvor: Međunarodna matematička olimpijada, shortlist 2006