Number of triangles with integer sides and other conditions
Source: (Indian) RMO 2008 Problem 6
November 9, 2008
geometryperimeterinequalitiestrigonometrytriangle inequalitycombinatorics unsolvedcombinatorics
Problem Statement
Find the number of all integer-sided isosceles obtuse-angled triangles with perimeter .
[16 points out of 100 for the 6 problems]