INEQUALITY IN TRIANGLE-638 Posted on November 30, 2017 by ssmrmh Proposed by Daniel Sitaru-Romania INEQUALITY IN TRIANGLE-638 Solution 1 by Boris Colakovic-Belgrade-Serbia, Solution 2 by Geanina Tudose-Romania, Solution 3 by Ravi Prakash-New Delhi-India, Solution 4 by Serban George Florin-Romania