File:Pi-unrolled-720.gif
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This image was selected as picture of the day on the English Wikipedia for January 20, 2007. |
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This image was selected as picture of the month on the Mathematics Portal for April 2009 |
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This image was selected as picture of the month on the Mathematics Portal for May 2011 |
Summary
| Description |
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.
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| Date | 7 October 2006 | ||||||||
| Source | Edited version of Image:Pi-unrolled.gif. | ||||||||
| Author | John Reid | ||||||||
| Permission ( Reusing this file) |
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| Annotations | This image is annotated: View the annotations at Commons |
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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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Assessment
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This is a featured picture on the German language Wikipedia ( Exzellente Bilder) and is considered one of the finest images. |
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.
Česky: Animace souvislosti obvodu kruhu s konstantou π
Dansk: Animation af udrulningen af en cirkels omkreds, hvorved forholdstallet mellem cirklens omkreds og diameter, π, illustreres.
Deutsch: Animation des Abrollens eines Kreisumfanges, zur Veranschaulichung des durch π ausgedrückten Verhältnisses.
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, para ilustrar la proporción de π.
Français : Animation de l'acte de déroulement de la circonférence d'un cercle, illustrant le ratio π.
Magyar: A kör kerületének egyenesre fejtése gördítéssel, a
 arányszám szemléltetésére.Italiano: Animazione che mostra lo srotolamento della circonferenza di un cerchio, illustrando il rapporto π.
日本語: 円の曲線を伸張して円周率 π を示すアニメーション。
ქართული: წრის სიგრძის სადემონსტრაციო ანიმაცია.
한국어: 원둘레를 전개하며 원주율을 묘사하고 있는 애니메이션
Македонски: Лудолфовиот број (π) претставен со одвиткување на обиколката на кружница.
Nederlands: Animatie van de handeling van het uitrollen van de omtrek van een cirkel ter illustratie van de verhouding π.
Русский: Анимация для демонстрации длины окружности
Українська: Анімація розгортання обводу кола, яка ілюструє число π як співвідношення довжини кола до його діаметра.
中文（简体）: 解开圆周的动画，用于描述 圆周率。
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