right-angled
/'rait,æɳgld/
Học thuậtThân thiện
Definition
Adjective: Forming a right angle (an angle of exactly 90 degrees) or containing one or more right angles.
Usage
The adjective "right-angled" is used to describe a geometric shape, corner, or intersection where two lines or surfaces meet at a 90-degree angle. It is most commonly used in mathematical and technical contexts.
Examples
- The carpenter ensured the frame was right-angled.
- A right-angled triangle has one interior angle of 90 degrees.
- The streets intersected in a right-angled cross.
Advanced Usage
- "right-angled bend": A sharp turn that changes direction by 90 degrees.
- The pipe makes a right-angled bend under the floor.
Variants and Related Words
- Right angle (n): The angle of 90 degrees itself.
- The two walls meet at a right angle.
- Right-angled triangle (n): A specific compound term for a triangle with one right angle. (Note: This is a distinct compound noun, not the adjective "right-angled" alone).
Synonyms
- Perpendicular
- Square (when referring to corners)
- Orthogonal (technical/mathematical)
Antonyms
- Acute-angled
- Obtuse-angled
Adjective
- forming a right angle or containing one or more right angles
- a right-angled bend