File:Chords (circle).svg

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Summary

DescriptionChords (circle).svg	English: The dependence of the length of a chord of a circle upon the angle that it subtends. As in Ptolemy's Almagest, the diameter of the circle is 120 parts.
Date	24 February 2011
Source	Own work This image was created with Xfig.
Author	Michael_Hardy

Licensing

Michael Hardy at English Wikipedia, the copyright holder of this work, hereby publishes it under the following license:

	This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
	The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission. CC0falsefalse

Original upload log

The original description page was here. All following user names refer to en.wikipedia.

Date/Time	Dimensions	User	Comment
2011-03-11 23:29	585×585× (3957 bytes)	Michael Hardy	I drew this using xfig. It illustrates the dependence of the length of a chord of a circle upon the angle that it subtends. As in [[Ptolemy]]'s [[Almagest]], the diameter of the circle is 120.
2011-03-11 17:28	603×585× (3961 bytes)	Michael Hardy	I drew this using xfig. It illustrates the dependence of the length of a chord of a circle upon the angle that it subtends. As in [[Ptolemy]]'s [[Almagest]], the diameter of the circle is 120.
2011-03-11 17:22	603×639× (3961 bytes)	Michael Hardy	I drew this using xfig. It illustrates the dependence of the length of a chord of a circle upon the angle that it subtends. As in Ptolemy's Almagest, the diameter of the circle is 120.
2011-02-25 16:45	603×639× (4555 bytes)	Michael Hardy
2011-02-25 16:36	603×639× (4056 bytes)	Michael Hardy	I drew this using xfig. It illustrates the dependence of the length of a chord of a circle upon the angle that it subtends. As in [[Ptolemy]]'s [[Almagest]], the diameter of the circle is 120.
2011-02-24 19:42	603×639× (4056 bytes)	Michael Hardy	I drew this using xfig. It illustrates the dependence of the length of a chord of a circle upon the angle that it subtends. As in [[Ptolemy]]'s [[Almagest]], the diameter of the circle is 120.

File history

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	Date/Time	Dimensions	User	Comment
current	23:09, 4 November 2019	585 × 585 (4 KB)	OgreBot	(BOT): Reverting to most recent version before archival
	23:09, 4 November 2019	603 × 585 (4 KB)	OgreBot	(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2011-03-11 17:28:36 by Michael Hardy
	23:09, 4 November 2019	603 × 639 (4 KB)	OgreBot	(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2011-03-11 17:22:38 by Michael Hardy
	23:09, 4 November 2019	603 × 639 (4 KB)	OgreBot	(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2011-02-25 16:45:19 by Michael Hardy
	23:09, 4 November 2019	603 × 639 (4 KB)	OgreBot	(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2011-02-25 16:36:18 by Michael Hardy
	23:08, 4 November 2019	603 × 639 (4 KB)	OgreBot	(BOT): Uploading old version of file from en.wikipedia; originally uploaded on 2011-02-24 19:42:30 by Michael Hardy
	18:34, 4 November 2019	585 × 585 (4 KB)	Wiki LIC	Transferred from en.wikipedia via #commonshelper