lục diện
Học thuậtThân thiện
Definition
- Noun (Mathematics):
- Hexahedron: A solid geometric figure with six faces. A cube is the most common and regular example of a hexahedron, where all faces are squares and all angles are right angles.
Usage Examples
- Noun:
- Hình lập phương là một lục diện đều. (A cube is a regular hexahedron.)
- Bài toán yêu cầu tính thể tích của lục diện này. (The problem requires calculating the volume of this hexahedron.)
Advanced Usage
- The term is primarily used in academic, mathematical, and geometric contexts. It is not commonly used in everyday conversation.
Variants and Related Words
- Hình lục diện: Hexahedral shape.
- Anh ta đang nghiên cứu về các hình lục diện. (He is researching hexahedral shapes.)
Synonyms
- Hexahedron: The direct English equivalent in geometry.
- Six-faced solid: A descriptive synonym.
Notes
- "Lục diện" is a compound Sino-Vietnamese word where "lục" means "six" and "diện" means "face" or "surface." It refers exclusively to a three-dimensional polyhedron.
- It is important not to confuse "lục diện" (hexahedron) with "lục giác" (hexagon), which is a two-dimensional shape with six sides.
- (toán) Hexahedron