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Definition 2025

obtuse_triangle

obtuse triangle

English

Example of an obtuse triangle.

Noun

obtuse triangle ‎(plural obtuse triangles)

(geometry) A triangle one of the angles of which is obtuse.

Synonyms

obtuse-angled triangle

Translations

triangle with an obtuse angle

Finnish: tylppäkulmainen kolmio (fi)
French: triangle obtusangle m, triangle avec angle obtus m
Hungarian: tompaszögű háromszög (hu)
Italian: triangolo ottusangolo
Japanese: 鈍角三角形 (ja) ‎(donkaku-sankakukei)

Romanian: triunghi obtuz n
Russian: тупоуго́льный треуго́льник m ‎(tupougólʹnyj treugólʹnik)
Spanish: triángulo obtusángulo m
Swedish: trubbig triangel c, trubbvinklig triangel c