The Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by NCTM or The Math Forum.


Math Forum » Discussions » sci.math.* » sci.math

Topic: squaring a circle
Replies: 18   Last Post: Jan 3, 2012 12:22 PM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
Daniel W. Johnson

Posts: 433
Registered: 12/10/04
Re: squaring a circle
Posted: Dec 15, 2003 1:55 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply


Oscar Lanzi III <ol3@webtv.net> wrote:

> I've actually seen a trisection device with no moving parts at all.
> It's basically a strip with one end having square and circular
> attachments at the end. By placing the object in the right position
> relative to a given angle, the trisectors of the angle are identified.


That rings a bell. Does it look like the image on the following page?

http://www.math.cornell.edu/~dwh/books/eg00/prob14-4.html

And here's a page with a bunch of stuff (mostly cranky), including one
trisection with a carpenter's square:

http://www.jimloy.com/geometry/trisect.htm
--
Daniel W. Johnson
panoptes@iquest.net
http://members.iquest.net/~panoptes/
039 53 36 N / 086 11 55 W




Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2017. All Rights Reserved.