Re: Circles and ellipses

From: Richard MacDonald <macdonaldrj_at_att.net>
Date: Sun, 19 Aug 2001 02:13:33 GMT
Message-ID: <hhFf7.22245$1p1.1732032@bgtnsc04-news.ops.worldnet.att.net>

"David Cressey" <david_at_dcressey.com> wrote in message news:1kCf7.266$Iw2.14175_at_petpeeve.ziplink.net...
> The entire discussion about whether a circle is an ellipse hinges on how
you
> define circle and ellipse.
>
> If you take the classical definition of an ellipse, from Euclidean
geometry,
> defined based on the sum of the distances from each point on the ellipse
to
> the two foci, then a circle is NOT an ellipse. A circle does not have two
> foci.

Oh yes it does. They're both at the same spot. Received on Sat Aug 18 2001 - 21:13:33 CDT