(idea) by General Wesc Sat Nov 13 1999 at 10:05:26
A right angle. A square has four of them. An L is one. Equal to π/2 radians.

See also: 180 degrees

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.