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Math Forum » Discussions » Math Topics » geometry.puzzles.independent

Topic: Req: Pentagon problem - help please !
Replies: 8   Last Post: Mar 12, 2004 7:15 PM

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Sarah Seastone

Posts: 1,240
Registered: 12/3/04
Re: Req: Pentagon problem - help please !
Posted: Aug 5, 1998 9:30 AM
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Hi -

>Trying to construct a regular pentagon using only a pair of compasses and a
>straight edge. Can it be done ? My level of math knowledge is high school.
>Please e mail me with the solution & proof if possible; or give me an URL
>where
>I can find the answer on the web.

http://www.geocities.com/Area51/Corridor/2233/pentagon.html

http://forum.swarthmore.edu/dr.math/problems/pentagon.html

http://www.ash.org.au/teachers/aamtprof/LIVEMATH/Geometry/pentagon.htm

>And how about septagons....

http://forum.swarthmore.edu/dr.math/faq/faq.polygon.names.html

(heptagons are not constructible):

http://forum.swarthmore.edu/dr.math/faq/formulas/faq.regpoly.html

- Sarah


>Many thanks
>Dave Williams
><DWill28107@aol.com>
>
>Dave Williams <DWill28107@aol.com>

Sarah Seastone
Editor, Archivist, Web Page Designer
The Math Forum
http://forum.swarthmore.edu/
sarah@forum.swarthmore.edu

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