三角 (sān jiǎo) means “triangle” | MotiTan Chinese Dictionary

More examples

我们在课堂上学习了三角函数的基本概念。wǒ men zài kè táng shàng xué xí le sān jiǎo hán shù de jī běn gài niàn

We learned the basic concepts of trigonometric functions in class.

A closed flat outline made from three line segments, with each meeting point forming a corner.

三角形sān jiǎo xíng: A closed plane figure formed by three straight line segments and three angles.

由三条边和三个角组成的几何图形。yóu sān tiáo biān hé sān gè jiǎo zǔ chéng de jǐ hé tú xíng

The word combines 三 (sān, "three") and 角 (jiǎo, "corner"), making its name a direct description of the shape's defining parts.

English changes triangle to triangles for more than one piece, whereas Chinese usually leaves this noun unchanged and lets a number, measure word, or context show quantity.