Show that the three red midpoints are collinear.
Scroll down for a solution to this problem.
Solution

Show that the three red midpoints are collinear.
Scroll down for a solution to this problem.
Show that the three red midpoints are collinear. https://t.co/nfkKZ0dJZ2 By Gauss and @MarshallWBuck pic.twitter.com/oX00k8dkev
— Mirangu (@Mirangu1) September 15, 2023
2 replies on “Lining up half way”
At this time there is no solution published, so I send the solution based on “Modern Geometry” by Roger Johnson from 1929 (page 61/62) to be found at
https://babel.hathitrust.org/cgi/pt?id=wu.89043163211;view=1up;seq=80
I forgot to mention that the line through the midpoints is the Newton–Gauss line (or Gauss–Newton line) .