why does the pythagorean theorem work?! [VIDEO]

uh…what am I supposed to say here? read the title! oh, fine. this video is about why the pyhagorean theorem works. (psst! I hate spelling the word theorem because it always gets misspelled, so I had to look it up. see?: theorem,theorem, therom, therme… wait, wait, did I spell theorem therme?!)anyway this is a proof(out of amny prroofffssss(sorry) of the pythagorean therom-dang it!