for the (3, 4, 5) triangle — in China it is called the "Gougu theorem" (勾股定理). During the Han Dynasty (202 BC to 220 AD), Pythagorean triples appear in...

work presents a form of the Pythagorean theorem known as the gougu theorem (勾股定理) from the Chinese names—lit. 'hook' and 'thigh'—of the two sides of the carpenter...

suanjing also gives mathematical proof for the "Gougu Theorem" (Chinese: 勾股定理; i.e. where c is the length of the hypotenuse and a and b are the lengths...