勾股

Chinese

		the shorter leg of a right triangle	the longer leg of a right triangle
simp. and trad. (勾股)		勾	股
variant forms		句股

Pronunciation

Mandarin
(Pinyin): gōugǔ

(Zhuyin): ㄍㄡㄍㄨˇ

Mandarin
- (Standard Chinese)⁺
  - Pinyin: gōugǔ
  - Zhuyin: ㄍㄡㄍㄨˇ
  - Gwoyeu Romatzyh: gouguu
  - Tongyong Pinyin: gougǔ
  - IPA ^(key): /koʊ̯⁵⁵ ku²¹⁴⁻²¹⁽⁴⁾/

Noun

勾股

(geometry) the longer and shorter legs of a right triangle
(geometry) right triangle
(geometry) mathematics involving right triangles: trigonometry, especially (historical) traditional Chinese methods of trigonometry
(geometry) related to right triangles: trigonometrical

Derived terms

勾股定理 (gōugǔ dìnglǐ)

勾股數／勾股数

References

Tian Miao's "A Formal System of the Gougu Method" in The History of Mathematical Proof in Ancient Traditions, pp. 386–7.

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