[url=https://www.google.com.co/imgres?imgurl=https://upload.wikimedia.org/wikipedia/commons/thumb/e/e7/Recta_de_Euler.svg/220px-Recta_de_Euler.svg.png&imgrefurl=https://es.wikipedia.org/wiki/Recta_de_Euler&h=226&w=220&tbnid=eHAYOh4M6iKVZM:&tbnh=160&tbnw=156&docid=d_tB4FJu0tu3rM&usg=__dkGTBldgCVhpd7QkLVtYy4hZAmo=&sa=X&sqi=2&ved=0ahUKEwjRz__Kp4bNAhVFyT4KHREZDnQQ9QEIHjAA][img 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[/img][/url][br]La [b]recta de Euler[/b] de un triángulo es aquella recta en la que están situados el ortocentro, el circuncentro y el baricentro de un triángulo ; además incluye al punto de Exeter y al centro de la circunferencia de los nueve puntos notables de un triángulo no equilátero.