![Mosaic Tiles, black background. showing yellow and orange triangles and squares with red ribbon running thru](https://www.colorado.edu/csl/sites/default/files/styles/medium/public/article-image/img_5186.jpg?itok=o3ZqRbef)
![Squares and triangles showing the Pythagorean Theorem](https://www.colorado.edu/csl/sites/default/files/styles/medium/public/article-image/screen_shot_2017-09-21_at_7.04.09_pm.png?itok=s2LcMYui)
Pythagorean Theorem
You might know it as an equation that tells you the relationship between the sides of a right triangle.
Take any right triangle, if you know 2 of the sides, then you can find the 3nd side.
But we can also understand the relationship of the sides with pictures.
Check out this little video:
What is the Pythagorean Theorem?
The video shows it works for Post-It notes, but how about any triangle?
Check out some visual proofs in the wonderful video below.