HasriatiSirait, Asli2013-03-212013-03-212013-03-21wahyu sari yenihttp://repository.unri.ac.id:80/handle/123456789/2642In this paper we discuss about The Pappus theorem with colinearitas of three points which is the intersection of six points on two different lines. Furthermore, if there are four lines that intersect and form a triangles, the triangle formed through the orthocenter is show coliniearitasenThe orthocentercoliniearitasThe Pappus theoremUR e-Research