Quote (sprak @ Wed, Mar 11 2009, 04:52pm)
nr1 - pick any point on a circle and draw two lines from that point to another point on the circle such that the intersection of the lines forms a right angle. then, connect the two endpoints. the middle of the last line is the center of the circle.
nr2 - any line drawn tangent to a circle (i.e. it only intersects the circle once) forms a right angle with the circle
that's what it looks like to me

but it's only been, oh, 12 years since i had geometry?
This post was edited by Behemoth on Mar 11 2009 05:38pm