Geometry

Apolleangasket symmetry[1]

Geometry is the art of good reasoning from bad drawings.

– Henri Poincaré

 


  1. Image by Tomruen (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons.

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Mathematics for Elementary Teachers by Michelle Manes is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License, except where otherwise noted.