File:Ybc7289-bw.jpg
Summary
A black and white rendition of my own photograph of the <a href="https://en.wikipedia.org/wiki/Yale_Babylonian_Collection" class="extiw" title="w:Yale Babylonian Collection">Yale Babylonian Collection</a>'s Tablet YBC 7289 (c. 1800–1600 BCE), showing a Babylonian approximation to the <a href="https://en.wikipedia.org/wiki/square_root_of_2" class="extiw" title="w:square root of 2">square root of 2</a> (1 24 51 10 <a href="https://en.wikipedia.org/wiki/sexagesimal" class="extiw" title="w:sexagesimal">w: sexagesimal</a>) in the context of <a href="https://en.wikipedia.org/wiki/Pythagorean_theorem" class="extiw" title="w:Pythagorean theorem">Pythagoras' Theorem</a> for an <a href="https://en.wikipedia.org/wiki/isosceles_triangle" class="extiw" title="w:isosceles triangle">isosceles triangle</a>. The tablet also gives an example where one side of the square is 30, and the resulting diagonal is 42 25 35 or 42.4263888... All use should attribute both me (mentioning <a rel="nofollow" class="external free" href="http://www.math.ubc.ca/~cass/Euclid/ybc/ybc.html">http://www.math.ubc.ca/~cass/Euclid/ybc/ybc.html</a>) and the <a rel="nofollow" class="external text" href="http://www.yale.edu/nelc/babylonian.html">Yale Babylonian Collection</a> as the original holder of the tablet. Author: Bill Casselman (<a rel="nofollow" class="external free" href="mailto:cass@math.ubc.ca">mailto:cass@math.ubc.ca</a>)
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:52, 3 January 2017 | | 338 × 315 (20 KB) | 127.0.0.1 (talk) | <p>A black and white rendition of my own photograph of the <a href="https://en.wikipedia.org/wiki/Yale_Babylonian_Collection" class="extiw" title="w:Yale Babylonian Collection">Yale Babylonian Collection</a>'s <i>Tablet YBC 7289</i> (c. 1800–1600 BCE), showing a Babylonian approximation to the <a href="https://en.wikipedia.org/wiki/square_root_of_2" class="extiw" title="w:square root of 2">square root of 2</a> (1 24 51 10 <a href="https://en.wikipedia.org/wiki/sexagesimal" class="extiw" title="w:sexagesimal">w: sexagesimal</a>) in the context of <a href="https://en.wikipedia.org/wiki/Pythagorean_theorem" class="extiw" title="w:Pythagorean theorem">Pythagoras' Theorem</a> for an <a href="https://en.wikipedia.org/wiki/isosceles_triangle" class="extiw" title="w:isosceles triangle">isosceles triangle</a>. The tablet also gives an example where one side of the square is 30, and the resulting diagonal is 42 25 35 or 42.4263888... All use should attribute both me (mentioning <a rel="nofollow" class="external free" href="http://www.math.ubc.ca/~cass/Euclid/ybc/ybc.html">http://www.math.ubc.ca/~cass/Euclid/ybc/ybc.html</a>) and the <a rel="nofollow" class="external text" href="http://www.yale.edu/nelc/babylonian.html">Yale Babylonian Collection</a> as the original holder of the tablet. Author: Bill Casselman (<a rel="nofollow" class="external free" href="mailto:cass@math.ubc.ca">mailto:cass@math.ubc.ca</a>) </p> |
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