Checked content



Česky: Animace souvislosti obvodu kruhu s konstantou π
Dansk: Animeret udrulning af en cirkels omkreds, illustrerende π
Deutsch: Animierter Abrollvorgang des Kreisumfanges, der die Zahl π veranschaulicht.
English: Animation of the act of unrolling a circle's circumference, illustrating the ratio π.
Español: Animación del desenrollado de la circunferencia de un círculo de diámetro uno, para ilustrar la proporción de π.
Français: Animation de l'acte de déroulement de la circonférence d'un cercle, illustrant le ratio π.
Hornjoserbsce: Animacija zwisku wobjima kružnicy z konstantu π
Bahasa Indonesia: Animasi dari tindakan membuka gulungan keliling lingkaran itu, menggambarkan rasio π.
Nederlands: Pi uitgelegd door middel van een animatie
Basa Sunda: Animasi ngukur kuriling bunderan nu ngagambarkeun rasio π (pi).
Tiếng Việt: Tương quan giữa chu vi và đường kính của hình tròn, minh họa số π.
Български: Анимация на развиване на обиколката на кръг, която илюстрира съотношението π
Македонски: Анимација на одвиткување на периметарот на еден круг, која го илустрира соодносот (константата) π.
中文(简体)‎: 解开圆周的动画,用于描述 圆周率。
العربية: أنيماشن لتدحرج محيط دائرة موضحا النسبة ط
فارسی: انیمیشنی که محیط دایره و رابطهٔ آن با عدد پی را نشان می‌دهد.
Date 7 October 2006
Source Edited version of Image:Pi-unrolled.gif.
Author John Reid
( Reusing this file)
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

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Annotations This image is annotated: View the annotations at Commons
Applications-graphics.svg This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: increased resolution, anti-aliased. The original can be viewed here: Pi-unrolled.gif.



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This file was a finalist in Picture of the Year 2011.
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Picture of the day

This image was selected as picture of the day on Wikimedia Commons for 14 March 2012. It was captioned as follows:

English: Animation of the act of unrolling a circle's circumference, illustrating the ratio π.
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