triangle
/tʁi.jɑ̃ɡl/masculine
The French word for triangle is triangle.
The word triangle refers to the polygon.
Meaning: polygon (noun)
How does it change in a sentence?
The noun triangle is masculine and is used with the masculine article le (the triangle). Specific types of triangles include un triangle isocèle (an isosceles triangle), un triangle équilatéral (an equilateral triangle) and un triangle scalène (a scalene triangle).
How do you pronounce it?
/tʁi.jɑ̃ɡl/
Did you know?
- If you are looking at a 'right-angled triangle' in a French textbook, you will see the term triangle rectangle, which might be confusing since 'rectangle' usually describes a four-sided shape in English.
- French uses the word triangle to describe a specific way of organizing a city's center, such as the Triangle d'Or in Nice, which marks the most luxurious district.
- When discussing mathematics, a student might encounter le sommet, which means 'the summit' or 'the peak' in a geographical sense, but in the context of a triangle, it refers to the vertex.
Examples in context
- C'est un triangle équilatéral.This is an equilateral triangle.This sentence shows how to identify an equilateral triangle.Tatoeba #6385303 by Aiji, translation #3819096 by CK
- Mesure chaque angle du triangle.Measure each angle of the triangle.This sentence is useful for describing the measurement of angles in a triangle.Tatoeba #6815436 by GB3, translation #2450025 by sharptoothed
- L'histoire tourne autour d'un triangle amoureux.The story revolves around a love triangle.This sentence demonstrates the use of the phrase in the context of a love triangle.Tatoeba #12214609 by lbdx, translation #2720526 by Hybrid
- Un triangle a trois côtésA triangle has three sides.
- Dessinez une figure triangulaireDraw a triangular figure.
- Les triangles sont intéressantsTriangles are interesting.
- J'ai dessiné trois trianglesI drew three triangles.
- 12 more sentences on Tatoeba
Example conversation
Lucas and Chloé are working on a geometry homework assignment together.
- LucasTu vois le triangle sur la page ?Do you see the triangle on the page?
- ChloéOui, je le vois bien, Lucas.Yes, I see it clearly, Lucas.
- LucasPeux-tu mesurer sa base ?Can you measure its base?
- ChloéBien sûr, je m'en occupe.Of course, I'll take care of it.
Sources
- Wiktionary, “triangle” translations and entries triangle, CC BY-SA 4.0, dump of 2026-09-26.
- Example sentences: Tatoeba CC BY 2.0 FR.
