Discussion:  All Topics 
Topic:  on trapezoids 
Related Item:  http://mathforum.org/mathtools/tool/15621/ 
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Subject:  RE: on trapezoids 
Author:  Johnny G 
Date:  Jan 19 2005 
listed below. it's simply a sepcial case. just like a square is a rectangle.
but it's a very special rectangle. (and yes, a square is a trapezoid
too...)
On Jan 10 2005, Mathman wrote:
> It occurred to me that if we draw a trapezoid, say with the left
> nonparallel side vertical to the base, and the right hand non
> parallel side sloping to the left, we could draw continuous
> trapezoids, rotating that right hand line clockwise. It will not be
> argued that the figure is not a trapezoid when the line slopes to
> the left. Neither will it be argued that it is not when the line
> slopes to the right. So, why should it be argued that the figure is
> not a trapezoid when the line is vertical, making the figure also a
> rectangle? There is nothing nonfinite, or unusual occurring during
> the transition.
David.
 
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