#### ABOUT INEQUALITY IN TRIANGLE-907

Math Note by Marin Chirciu-Romania ABOUT INEQUALITY IN TRIANGLE-907

MathNote by Martin Celli, Iztapalapa-Mexico City-Mexico THE THREE COSINES IDENTITY,CALCULATING AN AREA

#### ABOUT INEQUALITY IN TRIANGLE-899

Math Note by Marin Chirciu-Romania ABOUT INEQUALITY IN TRIANGLE-899

#### ABOUT INEQUALITY IN TRIANGLE-860

Math Note by Marin Chirciu-Romania ABOUT INEQUALITY IN TRIANGLE-860

#### ABOUT NAGEL’S AND GERGONNE’S CEVIANS-(IV)

Math Note by Bogdan Fustei-Romania ABOUT NAGEL’S AND GERGONNE’S CEVIANS-_IV_

#### ABOUT NAGEL’S AND GERGONNE’S CEVIANS (III)

Article by Bogdan Fustei-Romania ABOUT NAGEL’S AND GERGONNE’S CEVIANS (III)