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Grammar Levels
HSK 1
27 points
HSK 2
49 points
HSK 3
92 points
HSK 4
99 points
HSK 5
45 points
Resources
Referring to a triangle with 三角形 (sānjiǎoxíng)
Description & Modification
Structure
Number/Measure Word + 三角形
Explanation
三角形 (sānjiǎoxíng) is a noun meaning "triangle," literally "three-angle shape." It is used in both everyday and mathematical contexts to describe a three-sided geometric figure.
Examples
老师在黑板上画了一个三角形。
lǎoshī zài hēibǎn shàng huà le yī gè sānjiǎoxíng.
The teacher drew a triangle on the blackboard.
这座建筑的屋顶是三角形的，很有特色。
zhè zuò jiànzhù de wūdǐng shì sānjiǎoxíng de, hěn yǒu tèsè.
The roof of this building is triangular, which is quite distinctive.
数学课上我们学了怎么计算三角形的面积。
shùxué kè shàng wǒmen xué le zěnme jìsuàn sānjiǎoxíng de miànjī.
In math class, we learned how to calculate the area of a triangle.