right angle

See also: right-angle

English

At the bottom left of this triangle is a right angle.

Etymology

Calque of Latin angulus rectus.

Pronunciation

• Audio (Southern England):

  (file)

Noun

right angle (plural right angles)

2. (geometry) Half of the angle formed by a single straight line, equivalent to 90 degrees.

   Coordinate terms: acute angle, obtuse angle

3. (mathematics) An ∟ character.

Derived terms

• at right angles to
• right-angled

Related terms

• rectangle
• right triangle

Translations

angle of 90 degrees

• Arabic: زَاوِيَة قَائِمَة f (zāwiya(t) qāʔima)
• Azerbaijani: düz bucaq
• Bengali: সমকোণ (bn) (śomkōn)
• Bulgarian: прав ъ́гъл m (prav ǎ́gǎl)
• Burmese: ထောင့်မှန် (my) (htaung.hman), ကျင်တွယ်ထောင့် (my) (kyangtwaihtaung.)
• Catalan: angle recte (ca) m
• Chinese:

  Mandarin: 直角 (zh) (zhíjiǎo)

• Czech: pravý úhel (cs) m
• Danish: ret vinkel c
• Dutch: rechte hoek (nl)
• Esperanto: orto
• Estonian: täisnurk
• Finnish: suora kulma (fi)
• French: angle droit (fr) m, droit (fr) m
• Georgian: მართი კუთხე (marti ḳutxe)
• German: rechter Winkel m
• Greek: ορθή γωνία (el) f (orthí gonía)

  Ancient Greek: ὀρθή γωνία f (orthḗ gōnía)

• Hawaiian: huina kūpono
• Hebrew: זָוִית יְשָׁרָה (he) (zavít yeshára)
• Hindi: समकोण (hi) m (samkoṇ)
• Hungarian: derékszög (hu)
• Ingrian: oikia nurkka
• Italian: angolo retto (it) m
• Japanese: 直角 (ja) (chokkaku)
• Khmer: មុំកែង (km) (mum kaeng)
• Korean: 직각 (ko) (jikgak)
• Lao: ມຸມສາກ (mum sāk)
• Latin: angulus rectus m
• Macedonian: прав агол m (prav agol)
• Maori: koki hāngai
• Marathi: काटकोन (mr) (kāṭkon)
• Norwegian: rett vinkel (no) m
• Persian: زاویه قائمه (zâviye-ye qâ'eme), گوشه راست (guše-ye râst)
• Polish: kąt prosty (pl) m
• Portuguese: ângulo reto (pt) m
• Romanian: unghi drept (ro) n
• Russian: прямо́й у́гол (ru) m (prjamój úgol)
• Scottish Gaelic: ceàrn ceart m
• Serbo-Croatian:

  Cyrillic: прави кут m, прави угао m

  Roman: pravi kut m, pravi ugao m

• Shan: ၸဵင်ႇၶိုင်ႈ (tsàeng khūeng)
• Sindhi: گُونِي ڪُنڊَ (sd) f
• Slovak: pravý uhol
• Spanish: ángulo recto (es) m
• Swedish: rät vinkel c
• Tagalog: sihang tadlong
• Tamil: செங்கோணம் (ceṅkōṇam)
• Telugu: లంబకోణము (te) (lambakōṇamu)
• Thai: มุมฉาก (th) (mum-chàak)
• Ukrainian: прями́й кут m (prjamýj kut)
• Vietnamese: góc vuông (vi)
• Volapük: lögul (vo)
• Welsh: cyfongl f

See also

• perpendicular
• square
• T-square

Anagrams

• range light