Re: dividing circle into 5 equal arcs

From: Satya Das (satyaranjandas77_at_yahoo.com)
Date: 12/10/04 

Date: Fri, 10 Dec 2004 23:37:17 +0530

Here is very interesting construction by Euclid. But it is not a complete
one because it requires a line to be divided in proportion to golden ratio.
I think that too can be done by construction.
http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Golden_ratio.html

"Georg" <gfpmus@hotmail.com> wrote in message
news:1102604829.869109.81770@z14g2000cwz.googlegroups.com...
> About 60 years ago my highschool math teacher showed us how to divide a
> circle into 5 equal arcs, using only the compass and straightedge. Now
> I cannot remember how it was done. Can anyone help me? Thanks, Georg
>

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