Given is a triangle ABC with acute angles A, B and C. Find the perimeter of a triangle whose vertices are located on the sides of the triangle ABC and whose perimeter is the smallest among all such triangles.

Sunday, June 27, 2010
Error: set does not contain its infimum.
d 
Sunday, June 27, 2010
I suppose he meant one on each side.
This is a classic problem, elegantly solved by reflection, if I recollect correctly.
Anonical
Sunday, June 27, 2010
Anonical is right. I meant exactly one vertex for each side of triangle ABC.
quantyst 
Sunday, June 27, 2010
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