Videođường tròn

Learn how to use the Vietnamese word đường tròn correctly in both mathematical and everyday contexts. This lesson explains the precise geometric definition of a circle as a boundary line and provides essential vocabulary for radius, diameter, and circumference. You will also discover the important differences between similar terms like hình tròn and vòng tròn to avoid common mistakes. From circumscribed circles to simple wheels, this guide covers all the necessary usage examples. Watch the lesson to master this fundamental geometric term.