Jorge, ... Thanks, I plan to try that, and also check out the book. ChrisMessage 1 of 1 , Oct 21, 2005View SourceJorge,
Re what you wrote:
> An interesting visualization of these three pyramids inside the cubeThanks, I plan to try that, and also check out the book.
> is to illuminate the three opposite faces of a corner with light of
> different colours emnataing from the corner, say R, G and B. I think
> this might be a good proof of the statement. Got this from a colleague
> eho suggests reading Geometry for the Classroom by Clemens and
> Clemens. I will certainly borrow that book.