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Topic: redefining pi
Replies: 7   Last Post: May 9, 2013 12:54 AM

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 JT Posts: 1,448 Registered: 4/7/12
Re: redefining pi
Posted: May 7, 2013 12:29 AM

On 7 Maj, 06:24, JT <jonas.thornv...@gmail.com> wrote:
> On 7 Maj, 03:08, david petry <david_lawrence_pe...@yahoo.com> wrote:
>

> > On Monday, May 6, 2013 3:01:53 AM UTC-7, Timothy Murphy wrote:
> > > What does the teacher say to the school pupil who asks,
> > > "What do you mean by the circumference of a circle?"

>
> > It can be explained intuitively in terms of wrapping a string around a cylinder.
>
> Circumreference can be explained *exactly* by adding together all
> sidelengths of a uniform polygon where vertices approach a limit.
> It is easiest to start with a polygon because it is built by isoceles.
> Basicly you just go for an adequate smoothness and end up with giving
> the sidelengths as a fraction relation to the vertice of the hexagon.
> So 1/x * distance between center of polygon and vertex.

Multiplied by number of sides/vertices of course.

Date Subject Author
5/6/13 David Petry
5/7/13 JT
5/7/13 JT
5/7/13 JT
5/7/13 JT
5/7/13 JT
5/9/13 Brian Q. Hutchings