triangle centers

[eub]

1. incenter
2. centroid
3. circumcenter
4. orthocenter
my education in compass-and-straightedge construction ended here
5. nine-point center
A dude has a list of several thousand more, like they were integer sequences or something.

The coolest part is the theory of what a triangle center is.

Mathworld scatterplots them:

Comments

[randomdreams.livejournal.com]

I had never even considered that, and now my brain is broken into pieces.