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Old June 25, 2009, 21:31   #25
Join Date: Jan 2009
Posts: 657
PaulBlay is on a distinguished road
Originally Posted by RogerN View Post
It just looks that way because I drew the diagram so small The line does not touch the diamond at all. I should draw up a larger version...
It touches in the big version I drew (my piccy in the wiki is reduced to 50% width/height). In fact it is simple geometry that it touches (measure the sides and remember "similar triangles" from comprehensive school ;-)

Just imagine two triangles, the one visible in the diagram and the one formed by the left hand point, the lower diamond point, and the center of the diamond.
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