2 ms·

Triangle is probably easier to see (120 deg rotation when you turn the corner). Then you can see that the key is the sum of exterior angles, and this holds as y

Triangle is probably easier to see (120 deg rotation when you turn the corner). Then you can see that the key is the sum of exterior angles, and this holds as you increase num sides. In the limit, you get a circle.

beautron 3y ago
Oh wow! Hadn't heard it like this before, but now I like this way the best. I can finally see clearly where that "extra" rotation comes from.
cm2187 3y ago
Having watched the video, yours is the only intuitive explaination that talks to me.