2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/74285We consider the problem of finding integer-sided triangles with R/r an integer, where R and r are the radii of the circumcircle and incircle respectively. We show that such triangles are relatively rare.8 pagesHistory and OverviewNumber Theory00A08, 11D25, 11G05, 11Y50text