Oh god no!!!

Learning....get it away from me.....it burns....it burns...j/k
I liked it.....it was very visually clear and got the point across beautifully. Maybe if you keep submitting similar content, newgrounds will collectively get smarter.

Well... it's informative.

First issue- A2+B2=C2, is Pythagorean's theorem, not Pythagorus'. Now, you could be referring to a totally separate theorem, as I'm not a math expert, but it's relatively unlikely. In addition, although you say you don't expect much of this, you could have still put some effort into it. First of all, either convert the text into a conversation, or just audio. Having two visual-based pieces on the screen is unnecessary and makes you shift from one to the other. Secondly, the animation is extremely simply, which again demonstrates a lack of effort. Just moving the red triangles to form a triangle and a square is not particularly interesting, nor entertaining. I'd say put more effort into making sure that your video actually captures the interest of the viewer.

Add some music, if you don't want audio. That will also help give people interest in your flash. A background would be nice too. Finally, have flash videos be of more substance. Something you're going to watch for two seconds just isn't something that should be published on a site, in my opinion. You can add this as a larger flash, or make a short video about it. But this by itself, just isn't... anything. You have potential, since you show competence in flash and animation. Just put some more effort into flash videos, and I'm sure they would be very impressive.