INEQUALITY IN TRIANGLE-1620 Posted on May 29, 2020 by ssmrmh Proposed by Adil Abdullayev-Baku-Azerbaijan INEQUALITY IN TRIANGLE-1620 Solution 1 by Bogdan Fustei-Romania, Solution 2 by Soumava Chakraborty-Kolkata-India, Solution 3 by Tran Hong-Dong Thap-Vietnam