411 REFERENCE · Wikibooks
Geometry for Elementary School/Extras
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
The Ratio of Two Sides, Included Angle similarity theorem Some impossible constructions
In this section we will go to some of the extra stuff. Some you will learn later in secondary school. The rest are just for fun! Just make sure you have passed the test. Or else, you won't deserve the fun!
Table of contents
Some impossible constructions
Pythagorean theorem
A proof of irrationality
Fractals