right triangle

English

A right triangle.

Pronunciation

• Audio (Southern England):

  (file)

Noun

right triangle (plural right triangles)

1. (geometry) A triangle having a right angle as one of its interior angles.

Usage notes

• Right triangle is probably the more common term in the US, while right-angled triangle is probably the more common term in the UK.

Synonyms

• right-angled triangle (see usage note below)

Meronyms

• cathetus
• hypotenuse

Translations

a triangle having a right angle as one of its interior angles

• Armenian: ուղղանկյուն եռանկյուն (uġġankyun eṙankyun)
• Asturian: triángulu rectángulu m
• Azerbaijani: düzbucaqlı üçbucaq
• Chinese:

  Mandarin: 直角三角形 (zh) (zhíjiǎo sānjiǎoxíng)

• Czech: pravoúhlý trojúhelník m
• Dutch: rechthoekige driehoek m
• Estonian: täisnurkne kolmnurk
• Finnish: suorakulmainen kolmio (fi)
• French: triangle rectangle m
• Galician: triángulo rectángulo (gl) m
• German: rechtwinkliges Dreieck n
• Greek: ορθογώνιο τρίγωνο n (orthogónio trígono)
• Hungarian: derékszögű háromszög (hu)
• Irish: triantán dronuilleach m
• Italian: triangolo rettangolo m
• Japanese: 直角三角形 (ja) (ちょっかくさんかくけい, chokkaku sankakukei)
• Khmer: ត្រីកោណកែង (km) (trəykaon kaeng)
• Korean: 직각삼각형(直角三角形) (ko) (jikgaksamgakhyeong)
• Macedonian: правоа́голен триа́голник m (pravoágolen triágolnik)
• Malayalam: മട്ടത്രികോണം (ml) (maṭṭatrikōṇaṁ)
• Māori: tapatoru hāngai
• Moore: yaas-susg kog-tãabga
• Navajo: nishʼnáajigo heetsʼóóz
• Persian: مثلث قائم الزاویه, سه‌گوش راست (se-guš-e râst)
• Polish: trójkąt prostokątny (pl) m
• Portuguese: triângulo reto m, triângulo retângulo (pt) m
• Romanian: triunghi dreptunghic (ro)
• Russian: прямоуго́льный треуго́льник (ru) m (prjamougólʹnyj treugólʹnik)
• Serbo-Croatian:

  Cyrillic: правокутни трокут m

  Latin: pravokutni trokut m

• Slovak: pravouhlý trojuholník
• Spanish: triángulo rectángulo m
• Swedish: rät triangel c, rätvinklig triangel (sv) c
• Tagalog: tatsihang tadlong, tadlunging tatsiha
• Thai: สามเหลี่ยมมุมฉาก (sǎam-lìiam-mum-chàak)
• Turkish: dik üçgen (tr) c
• Ukrainian: прямоку́тний трику́тник m (prjamokútnyj trykútnyk)
• Vietnamese: tam giác vuông (vi)