MathDB

1

Part of 2005 Indonesia MO

Problems(1)

Triangle with Integral Side Lengths

Source: Indonesia Mathematics Olympiad 2005 Day 1 Problem 1

6/2/2008
Let n n be a positive integer. Determine the number of triangles (non congruent) with integral side lengths and the longest side length is n n.
calculusintegrationinequalitiescombinatorics proposedcombinatorics