dennilfloss
Past Lifer 1957-2014 In Memoriam
Do you usually think of the perimeter (the line) or the disc (the surface bound by that line)?
http://en.wikipedia.org/wiki/Circle
For me I think of the curve more often than the surface. It's what first comes to mind.
http://en.wikipedia.org/wiki/Circle
For me I think of the curve more often than the surface. It's what first comes to mind.