Image:Chinese pythagoras.jpg

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Chinese Pythagorean theorem. Need to identify source (year)
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.

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current03:20, 11 April 2005871×475 (69 KB)Avsa ({{PD}} Chinese phytagorean theorem. Need to identify source (year))
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