tag:blogger.com,1999:blog-6933544261975483399.post415185297303607078..comments2024-03-26T19:10:02.918-07:00Comments on Go Geometry (Problem Solutions): Problem 633: Triangle, Parallel Lines, Intersecting LinesAntonio Gutierrezhttp://www.blogger.com/profile/04521650748152459860noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-6933544261975483399.post-73586857895833384252021-03-15T03:50:03.810-07:002021-03-15T03:50:03.810-07:00Well done PradyumnaWell done PradyumnaSumith Peirishttps://www.blogger.com/profile/06211995240466447227noreply@blogger.comtag:blogger.com,1999:blog-6933544261975483399.post-30832655350352283272021-03-13T05:33:19.256-08:002021-03-13T05:33:19.256-08:00Brilliant ! Brilliant ! Greghttps://www.blogger.com/profile/14941282981782772132noreply@blogger.comtag:blogger.com,1999:blog-6933544261975483399.post-42667527727225740102021-03-07T05:33:51.588-08:002021-03-07T05:33:51.588-08:00We can use Pappus theorem here. Consider points on...We can use Pappus theorem here. Consider points on line(A,H,G) and line(B,D,F). AF and BG intersect at point E, DG and HF intersect at point C. By Pappus theorem point of intersection of AD and BH must be collinear with E and C. Since AD and EC are parallel and never intersect, BH must be parallel to AD and EC. Pradyumna Agashehttps://www.blogger.com/profile/10300531209692781145noreply@blogger.comtag:blogger.com,1999:blog-6933544261975483399.post-68186999710279344422021-03-06T14:45:13.884-08:002021-03-06T14:45:13.884-08:00c.t.e.o, sumith peiris, peter tran or anybody else...c.t.e.o, sumith peiris, peter tran or anybody else : no one to solve this one ?<br />Greghttps://www.blogger.com/profile/14941282981782772132noreply@blogger.com