Show how to bisect a line segment with a compass (no straight-edge).
(In reply to
re(2): solution by David Shin)
Hmm, then perhaps this is not equivalent to being able to place two marks on a straight edge. But I do remember the added ability of placing these marks gains lots of more in constructability (I thought this included gaining angle trisection). I shall look this up!
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Posted by owl
on 2005-01-31 16:18:00 |
re(3): solution
