File:Missing square edit.gif

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Original file (709 × 709 pixels, file size: 120 KB, MIME type: image/gif, looped, 16 frames, 15 s)
Error creating thumbnail: File missing
This is a featured picture, which means that members of the community have identified it as one of the finest images on the English Wikipedia, adding significantly to its accompanying article. If you have a different image of similar quality, be sure to upload it using the proper free license tag, add it to a relevant article, and nominate it.
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This image was selected as picture of the day on the English Wikipedia for May 6, 2010.

Summary

Description
English: Missing square puzzle animation. When the quadrilaterals are rotated about their centers they fill the space of the small square, although the total area of the figure seems unchanged. The apparent paradox is explained by the fact that the side of the new large square is a little smaller than the original one. A more complete explanation can be found in Missing square puzzle.
Français : Casse tête du carré manquant. Lorsque l'on tourne les quadrilatères, ils semblent combler le carré central, sans changer l'aire totale de la figure, ce qui est impossible. La résolution de ce paradoxe apparent est que la nouvelle figure est en réalité légèrement plus petite.
Slovenčina: Animacija manjkajočega kvadratka. Ko so štirje štirikotniki zavrteni okoli manjšega kvadrata, zapolnijo njegov prostor. Očitni paradoks se razloži z dejstvom, da je stranica večjega kvadrata malo manjša kot originalna
Date
Source Own work
Author Joaquim Alves Gaspar

Assessment

Featured picture

Wikimedia CommonsWikipedia

This is a featured picture on Wikimedia Commons (Featured pictures) and is considered one of the finest images. See its nomination here.
 This is a featured picture on the English language Wikipedia (Featured pictures) and is considered one of the finest images. See its nomination here.
 This is a featured picture on the Indonesian language Wikipedia (Gambar pilihan) and is considered one of the finest images. See its nomination here.

If you have an image of similar quality that can be published under a suitable copyright license, be sure to upload it, tag it, and nominate it.

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Valued image

This image has been assessed under the valued image criteria and is considered the most valued image on Commons within the scope: Missing square puzzle. You can see its nomination here.

Quality image

This image has been assessed using the Quality image guidelines and is considered a Quality image.

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This image was selected as picture of the day on Vietnamese Wikipedia.

Licensing

I, the copyright holder of this work, hereby publish it under the following licenses:
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.
w:en:Creative Commons
attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.
w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 2.5 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
You may select the license of your choice.

Captions

Missing square puzzle

Items portrayed in this file

depicts

inception

November 2006

media type

image/gif

data size

122,576 byte

duration

15 second

height

709 pixel

width

709 pixel

checksum

aa4526ae7ad4dfd0f921201d21e593925759861e

determination method or standard: SHA-1

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current20:54, 6 May 2010Thumbnail for version as of 20:54, 6 May 2010709 × 709 (120 KB)wikimediacommons>AiyizoOptimized animation
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