Meanings
Synonyms & antonyms
nounA triangle one of whose angles is obtuse.
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nouna triangle that contains an obtuse interior angle
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Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Catalan triangle obtusangle
- triangle obtusangletriangle with an obtuse angle
Chinese Mandarin 鈍角三角形 /钝角三角形
- 鈍角三角形 /钝角三角形 (dùnjiǎo sānjiǎoxíng)triangle with an obtuse angle
Estonian nürinurkne kolmnurk
- nürinurkne kolmnurktriangle with an obtuse angle
Finnish tylppäkulmainen kolmio
- tylppäkulmainen kolmiotriangle with an obtuse angle
French triangle obtusangle
- triangle obtusangletriangle with an obtuse angle
Hungarian tompaszögű háromszög
- tompaszögű háromszögtriangle with an obtuse angle
Italian triangolo ottusangolo
- triangolo ottusangolotriangle with an obtuse angle
Japanese 鈍角三角形
- 鈍角三角形 (donkaku sankakukei)triangle with an obtuse angle
Korean 둔각삼각형
- 둔각삼각형 (dun'gaksamgakhyeong)triangle with an obtuse angle
Māori tapatoru koki hāpūpū
- tapatoru koki hāpūpūtriangle with an obtuse angle
Polish trójkąt rozwartokątny
- trójkąt rozwartokątnytriangle with an obtuse angle
Portuguese triângulo obtusângulo
- triângulo obtusângulotriangle with an obtuse angle
Romanian triunghi obtuz
- triunghi obtuztriangle with an obtuse angle
Russian тупоуго́льный треуго́льник
- тупоуго́льный треуго́льник (tupougólʹnyj treugólʹnik)triangle with an obtuse angle
Spanish triángulo obtusángulo, triángulo obtuso
- triángulo obtusángulotriangle with an obtuse angle
- triángulo obtusotriangle with an obtuse angle
Swedish trubbig triangel, trubbvinklig triangel
- trubbig triangeltriangle with an obtuse angle
- trubbvinklig triangeltriangle with an obtuse angle
Thai สามเหลี่ยมมุมป้าน
- สามเหลี่ยมมุมป้าน (sǎam-lìiam-mum-bpâan)triangle with an obtuse angle
Vietnamese tam giác tù
- tam giác tùtriangle with an obtuse angle
Cite this entry
APA
obtuse triangle. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/obtuse%20triangle
MLA
“obtuse triangle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/obtuse%20triangle. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “obtuse triangle,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/obtuse%20triangle.
Source: obtuse triangle on Wiktionary, CC BY-SA 4.0.