Over on mathstodon, I've been thinking about shoddy, awful devices for drawing circles and lines, featuring @thamographe as the least-shoddy, least-awful device I've ever used
mathstodon.xyz/@christianp/10…
It culminated in this nice chalk drawing
Today we're at the beach, but I forgot to bring any string. So here's the biggest triangle (@BiggestTriangle) I could manage to make by eye.
In the background is the "equilateral" triangle I tried to make by enlarging one made from two bucket outlines