2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/157504The main result of this paper, is the complete parametric description of the family of triangles which have integer sidelengths and with one angle being sixty degrees.28 pagesGeneral MathematicsA005Triangle angles and sides in progression and the diophantine equation x^2+3y^2 =z^2text