Pythagorean theorem

English thumb|A geometrical proof of the Pythagorean theorem. Alternative forms en Pythagoras' theorem theorem of Pythagoras Etymology Named after Pythagoras (from en grc Πυθαγόρας), the Greek mathematician and philosopher who by tradition is credited with the theorem’s discovery and proof. Pronunciation en LL-Q1860 (eng)-Vealhurl-Pythagorean theorem.wav Southern England Proper noun 1 en Q11518en geometry A mathematical theorem which states that the square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of those of the two other sides. en Baudhayana theorem Gougu theorem en The Pythagorean theorem only applies to right triangles. en functional analysis A generalization of the Pythagorean theorem for Euclidean triangles to Hilbert spaces. Derived terms en inverse Pythagorean theorem Translations mathematical theorem Arabic: ar مُبَرْهَنَةْ فِيثَاغُورَس f Armenian: hy Պյութագորասի թեորեմ Asturian: ast teorema de Pitágores m Azerbaijani: az Pifaqor troremi Bulgarian: bg потагорова теорема f Catalan: ca teorema de Pitàgores m, ca teorema de Pitàgoras m Chinese: Mandarin: cmn 勾股定理 gōugǔ dìnglǐ, cmn 畢達哥拉斯定理 Bìdágēlāsī-dìnglǐ, cmn 畢氏定理 Taiwan Hong Kong Czech: cs Pythagorova věta f Dutch: nl stelling van Pythagoras f Finnish: fi Pythagoraan lause French: fr théorème de Pythagore m Galician: gl teorema de Pitágoras m German: de Satz des Pythagoras m Hebrew: he משפט פיתגורס m mishpát pitágoras Hungarian: hu Pitagorasz-tétel Icelandic: is Pýþagórasarregla, is regla Pýþagórasar, is setning Pýþagórasar Irish: ga teoirim Phíotagarásach f Italian: it teorema di Pitagora m Japanese: ja ピタゴラスの定理 Pitagorasu no teiri, ja 三平方の定理 さんへいほうのていり, sanhēō no tēri Khmer: km ទ្រឹស្ដីបទពីតាករ Latin: la theorema Pythagorae n Latvian: lv Pitagora teorēma f Macedonian: mk Питагорина теорема f Malay: ms teorem Pitagoras Malayalam: ml പൈതഗോറസ് സിദ്ധാന്തം Polish: pl twierdzenie Pitagorasa n Portuguese: pt teorema de Pitágoras m Russian: ru теоре́ма Пифаго́ра f Spanish: es teorema de Pitágoras m Swedish: sv Pythagoras sats c Turkish: tr Pisagor teoremi Ukrainian: uk теоре́ма Піфаго́ра f Vietnamese: vi định lí Pi-ta-go en Trigonometry en eponyms