勾股定理 Save Sign in to save words gōugǔdìnglǐ ㄍㄡ ㄍㄨˇ ㄉㄧㄥˋ ㄌㄧˇ Pythagorean theorem Character by character 勾(gōu)surname Gou 股(gǔ)thigh 定(dìng)fix 理(lǐ)texture A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0