Journal of Mathematical Inequalities · Volume 10, Issue 4 The geometric proof to a sharp version of Blundon's inequalities 10-90 Pages 1137-1143 DOI 10.7153/jmi-10-90 Downloads Short PDF Full PDF PNG Authors Dorin Andrica Cătălin Barbu Laurian-Ioan Pişcoran Keywords Blundon's inequalities law of cosines circumcenter incenter Nagel point of a triangle Gerretsen's inequalities Subject classes 26D05 26D15 51N35