Snow unit circle

Just because I think it's awesome....

From twitter this morning:

 

So then I just had to offer that (in addition to some other options)!

I just got this in an e-mail.

 The accompanying e-mail said this:
I wrote in the coordinates and radian values, because once I started walking through them to get a good picture, my snow writing became illegible.

You gotta love these kids!  I really need to remember to give them opportunities to be creative.