18 Nov
2010
18 Nov
'10
2:17 p.m.
Oh. Equilateral quadrilateral = rhombus. So by symmetry... --ms On Thursday 18 November 2010 16:07:50 Mike Speciner wrote:
On Thursday 18 November 2010 14:37:59 Henry Baker wrote:
I don't see any way to put an equilateral quadrilateral inside an ellipse, except for the diamond and the square. So the rotation thing is definitely "notchy".
What if you started with an arbitrary equilateral quadrilateral and then exscribed an ellipse? Is that always possible? After all, any 5 points determine a conic.
--ms
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