Geometry
Geometry is the art of good reasoning from bad drawings.
– Henri Poincaré
- Image by Tomruen (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons. ↵
License
Mathematics for Elementary Teachers by Michelle Manes is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License, except where otherwise noted.