File:Chinese pythagoras.jpg

From Wiktionary, the free dictionary
Jump to navigation Jump to search

Original file ‎(871 × 475 pixels, file size: 69 KB, MIME type: image/jpeg)

This is a file from the Wikimedia Commons. Information from its description page there is shown below.
Commons is a freely licensed media file repository. You can help.
Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
 Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

Source: Chinese Pythagorean theorem, from page 22 of Joseph Needham's Science and Civilization in China: Volume 3, Mathematics and the Sciences of the Heavens and the Earth, published in 1986 by Cave Books Ltd., based in Taipei (with permission from Cambridge University Press). isbn:0521058015


Visual proof for the (3, 4, 5) triangle as in the Chou Pei Suan Ching 500–200 BC.
Left sentence: 勾股幂合以成弦幂 (gōu gǔ mì hé yǐ chéng xián mì)
Translation: The sum of the squares of lengths of altitude and base is the hypotenuse's length squared.

derivative works

Derivative works of this file:  Chineese Pythagorean theorem 2.PNG

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

media type

image/jpeg

checksum

40cd284ee0d92bc06c02fb5279bf445b76f59450

determination method: SHA-1

data size

71,149 byte

height

475 pixel

width

871 pixel

File history

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

Date/TimeThumbnailDimensionsUserComment
current03:20, 11 April 2005Thumbnail for version as of 03:20, 11 April 2005871 × 475 (69 KB)Avsa{{PD}} Chinese phytagorean theorem. Need to identify source (year)

The following page uses this file:

Global file usage

The following other wikis use this file:

View more global usage of this file.

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Retrieved from "https://en.wiktionary.org/wiki/File:Chinese_pythagoras.jpg"