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File:Missing Square Animation.gif

Missing_Square_Animation.gif (317 × 125 pixels, file size: 19 KB, MIME type: image/gif, looped, 33 frames, 5.1 s)

Summary

Description
English: Animation of Missing square puzzle. The hole results because the two triangle pieces do not have the same ratio: the blue triangle is 2:5, while the red triangle is 3:8. The initial shape of the complete puzzle is not a triangle, but a quadrilateral, since what appears to be the hypotenuse is actually bent.
Deutsch: Animierte Darstellung des Fehlenden-Quadrat-Rätsels. Das fehlende Quadrat ergibt sich, weil die zwei Dreiecke nicht dasselbe Seitenverhältnis aufweisen: beim blauen Dreieck beträgt es 2:5, während es beim roten Dreieck 3:8 beträgt. Die anfängliche geometrische Figur des Puzzles ist kein Dreieck, sondern ein Viereck, da die scheinbare Hypotenuse nicht gerade, sondern gebogen ist.
Date 17 October 2007 (original upload date)
Source Transferred from en.wikipedia to Commons.
Author Trekky0623 at English Wikipedia
Other versions
webm version
Media of the day This file was selected as the media of the day for 01 April 2016. It was captioned as follows:
English: Animation of Missing square puzzle. The hole results because the two triangle pieces do not have the same ratio: the blue triangle is 2:5, while the red triangle is 3:8. The initial shape of the complete puzzle is not a triangle, but a quadrilateral, since what appears to be the hypotenuse is actually bent.
Other languages
Čeština: Animace řešení hlavolamu Záhada chybějícího čtverce. Prázný čtverec vzniká proto, že dva trojúhleníkové díly nemají strany ve stejném poměru: modrý trojúhelník má poměr 2:5,zatímco červený má 3:8. Původní tvar celého puzzlu není trojúhelník, ale čtyřúhelník, a to co se jeví jako přepona je ve skutečnosti zahnutá křivka.
Deutsch: Animierte Darstellung des Fehlenden-Quadrat-Rätsels. Das fehlende Quadrat ergibt sich, weil die zwei Dreiecke nicht dasselbe Seitenverhältnis aufweisen: beim blauen Dreieck beträgt es 2:5, während es beim roten Dreieck 3:8 beträgt. Die anfängliche geometrische Figur des Puzzles ist kein Dreieck, sondern ein Viereck, da die scheinbare Hypotenuse nicht gerade, sondern gebogen ist.
English: Animation of Missing square puzzle. The hole results because the two triangle pieces do not have the same ratio: the blue triangle is 2:5, while the red triangle is 3:8. The initial shape of the complete puzzle is not a triangle, but a quadrilateral, since what appears to be the hypotenuse is actually bent.
Македонски: Анимација на загатката на исчезнатиот квадрат.
Русский: Оптическая иллюзия, связанная с «появлением» лишней клетки при перестановке синего и красного треугольников. Секрет иллюзии в том, что начальная и конечные фигуры являются вовсе не треугольниками, а четырёхугольниками.
中文（简体）：失踪的正方形动画。出现洞是因为两块三角形不是同一个斜率：蓝色三角形是 2:5，红色三角形是 3:8。最初完整的图形并非三角形，反倒是四边形，看起来是斜边实际上有弯曲。
中文（繁體）：失蹤的正方形動畫。出現洞是因為兩塊三角形不是同一個斜率：藍色三角形是 2:5，紅色三角形是 3:8。最初完整的圖形並非三角形，反倒是四邊形，看起來是斜邊實際上有彎曲。

Licensing

Public domain This work has been released into the public domain by its author, Trekky0623 at English Wikipedia. This applies worldwide.
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Original upload log

The original description page was here. All following user names refer to en.wikipedia.
  • 2007-10-17 02:09 Trekky0623 318×126×8 (26224 bytes) Animation of Missing Square Paradox.

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Date/TimeThumbnailDimensionsUserComment
current19:54, 17 February 2017Thumbnail for version as of 19:54, 17 February 2017317 × 125 (19 KB)Jahobrstoped jumping. cleaned up on pixel level. redundant frames removed. +1 frame
02:24, 1 May 2008Thumbnail for version as of 02:24, 1 May 2008318 × 126 (26 KB)File Upload Bot (Magnus Manske) {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|Animation of Missing Square Paradox.}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia] |Date=2007-10-17 (original upload date) |Author=Original uploader was [[:en:User:Trek

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