triángulo equilátero
/tɾjanɡulo ekilateɾo/from spelling rulesmasculine
The English phrase "equilateral triangle" is translated into Spanish as triángulo equilátero.
Meaning: type of triangle (noun)
How does it change in a sentence?
The noun triángulo is masculine, so you use the masculine indefinite article un to say "an equilateral triangle" (un triángulo equilátero). To form the plural triángulos equiláteros (equilateral triangles), both the noun and the adjective take the plural suffix -s.
How do you pronounce it?
/tɾjanɡulo ekilateɾo/
Did you know?
- The word equilátero is a 'learned borrowing', meaning it was consciously reintroduced into Spanish from Latin rather than evolving naturally over centuries.
- In some Spanish-speaking regions, the term triángulo is also used colloquially to describe a love triangle, or triángulo amoroso.
Examples in context
- En un triángulo equilátero de vértices A, B y C, la distancia de A hasta B es la misma distancia que de B hasta C, o de C hasta A.In an equilateral triangle with vertices A, B and C, the distance from A to B is the same distance as from B to C, or from C to A.This sentence is useful for illustrating the geometric property of the distance between vertices in a triángulo equilátero.Tatoeba #987228 by Shishir, translation #1295368 by crnel727
- El problema de la tarea involucraba un triángulo equilátero.The homework problem involved an equilateral triangle.
- Dibujé un triángulo equilátero en el cuaderno.I drew an equilateral triangle in the notebook.
- Este triángulo equilátero tiene tres lados iguales.This equilateral triangle has three equal sides.
Example conversation
Javier and María are studying geometry together.
- Javier¿Cuál es la definición de un triángulo equilátero?What is the definition of an equilateral triangle?
- MaríaEs aquel que tiene todos sus lados iguales.It is one that has all its sides equal.
- JavierEntiendo, entonces sus ángulos también son iguales.I see, so its angles are also equal.
- MaríaExacto, Javier, así es.Exactly, Javier, that is how it is.
Sources
- Wiktionary, “equilateral triangle” translations and entries triángulo equilátero, CC BY-SA 4.0, dump of 2026-09-26.
- IPA marked “from spelling rules” is derived from standard Spanish spelling, where Wiktionary gives none.
- Word origins: Wiktionary entries equilátero, triángulo, CC BY-SA 4.0.
- Example sentences: Tatoeba CC BY 2.0 FR.
