zau1 coeng4周長周长
Jyutpingzau1 coeng4
Yalejāu chèuhng
Definition
Perimeter; the total boundary length of a two-dimensional shape.
neutralschool
How it's used
Used primarily in geometry and mathematics contexts, this term is the standard way to refer to the boundary length of a shape. Outside of a classroom or technical setting, people often use more descriptive phrases like 邊長總和 or 圍住嗰個圈嘅長度 to explain the concept in casual conversation.
Examples
What is the perimeter of this circle?
To calculate the perimeter, you need to add all the sides together.
Related words
Common phrases
calculate the perimeter
perimeter formula
Common mistake
Do not confuse this with 圓周, which specifically refers to the circumference of a circle. While 圓周 is a type of 周長, the latter is a general term for any polygon or closed shape.
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- NegationHow to say no, not, didn't, and don't in Cantonese. The four main negation words and when to use each one.
- Numbers and moneyCounting, talking about money, and asking how much things cost. Includes the two words for two and the everyday words for dollars and cents.
- Aspect markersCantonese has no tenses, but it does have aspect markers. Learn how zo2, gwo3, gan2, and hai2 dou6 show completion, experience, and ongoing action.
