(thing) by ariels Tue Sep 05 2000 at 10:04:02
192. The number of points on a goban.

It is possible to prove using Galois theory that one cannot construct a 1o angle using straightedge and compass. But given a 19o angle, it's easy! Just construct it 18 more times, until you get a 1o overlap...

del.icio.us Facebook Digg StumbleUpon Reddit (I like it!)
Y'know, if you log in, you can write something here, or contact authors directly on the site. Create a New User if you don't already have an account.