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Topic: 3D Geometery
Replies: 1   Last Post: Apr 25, 2005 12:16 AM

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James Stokes

Posts: 60
Registered: 12/13/04
Re: 3D Geometery
Posted: Apr 25, 2005 12:16 AM
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Paul Sperry wrote:
> In article <>,
> (iii) As constructed by me, l' lies "directly below" l. That is,

> point on l' is the minimum distance away from l so, of course, a
> on m and on l' is, well, on m and the minimum distance from l.

This is only true if m lies in the plane perpendicular to the plane in
which both l and l' reside. In other words, l must lie parallel to the
plane spanned by l' and m. I just can't seem to put this into one
compact statement. Please help.

Thanks in advance.


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