Talk:Perimeter

Amazed!
This version's much better than yesterday's.

Lunakeet 17:46, 29 April 2008 (UTC)

Recteco Picture
So I added an image showing how to calculate the perimeter of a rectangle. Do we need more diagrams? -- Thin boy  00  @196, i.e. 03:42, 26 January 2009 (UTC)

It would be nice to have an image of a general polygon and/or a general path. Unfortunately I have some problems with LaTeX in Inkscape so I won't be adding these soon. I think we're fine for now, though. Feel free to remove the request tag. --Swift (talk) 14:39, 26 February 2009 (UTC) I added some simple shapes, and removed the tag. xnn (talk) 20:34, 9 June 2010 (UTC)

Rename to perimeter length
analogous to separate surface and surface area; there is not much information here about the perimeter shape or outline. fgnievinski (talk) 18:25, 1 October 2015 (UTC)

Removed poor definition
This definition removed $$\int_0^L \mathrm{d}s$$, where $$L$$ is the length of the path and $$ds$$ is an infinitesimal line element. Bcan produce equations with no algebraic solution.

For example, consider the exponential curve $$(x=s, y=e^s)$$. The removed definition above gives:

$$L=\int_0^L \mathrm{d}s

= \int\limits_0^L \sqrt{1+e^2 e^s} \mathrm{d}s $$

This not an algebraic equation

Perimeter of n-dimension objects
From https://en.wikipedia.org/wiki/Caccioppoli_set, can we conclude that the perimeter of a cuboid is the sum of its edges?

Darcourse (talk) 13:02, 29 May 2020 (UTC)

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 * Pi-unrolled-720.gif

"Umfang" listed at Redirects for discussion
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The term circumference is only used for circles, not ellipses. — Preceding unsigned comment added by 70.36.193.220 (talk) 01:49, 22 January 2023 (UTC)