reentering angle: meaning, definition, pronunciation and examples
Very LowTechnical
Quick answer
What does “reentering angle” mean?
An interior angle of a polygon that points inward toward the shape's interior, exceeding 180 degrees.
Audio
Pronunciation
Definition
Meaning and Definition
An interior angle of a polygon that points inward toward the shape's interior, exceeding 180 degrees.
A concave angle formed within a complex polygonal structure where the outline bends back into itself.
Dialectal Variation
British vs American Usage
Differences
No significant usage differences; term is equally rare and technical in both varieties.
Connotations
Purely technical and descriptive; no emotional or social connotations.
Frequency
Extremely rare outside specialized fields.
Grammar
How to Use “reentering angle” in a Sentence
The polygon [has/contains] a reentering angle.The [vertex/corner] forms a reentering angle.Vocabulary
Collocations
Examples
Examples of “reentering angle” in a Sentence
adjective
British English
- The design featured a reentering-angle vertex.
- It was a classic reentering-angle problem.
American English
- The plot had a reentering angle property line.
- A reentering-angle corner complicates construction.
Usage
Meaning in Context
Business
Not used.
Academic
Used in geometry and drafting textbooks.
Everyday
Not used.
Technical
Used in geometry, architectural drafting, computer-aided design (CAD), and land surveying.
Vocabulary
Synonyms of “reentering angle”
Vocabulary
Antonyms of “reentering angle”
Watch out
Common Mistakes When Using “reentering angle”
- Confusing it with a 'reflex angle' (which can be exterior or interior).
- Misspelling as 're-entering' or 're entering'.
- Using it in non-geometric contexts.
FAQ
Frequently Asked Questions
A reentering angle is a type of reflex angle specifically located inside a polygon (interior angle > 180°). A reflex angle can also be exterior.
Primarily in geometry, architectural design, land surveying, and computer graphics/CAD.
No. By definition, a triangle's interior angles always sum to 180°, so no single interior angle can exceed 180°.
A salient angle or convex angle, which points outward.
An interior angle of a polygon that points inward toward the shape's interior, exceeding 180 degrees.
Reentering angle is usually technical in register.
Reentering angle: in British English it is pronounced /ˌriːˈɛntərɪŋ ˈæŋɡl̩/, and in American English it is pronounced /riˈɛntərɪŋ ˈæŋɡəl/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think RE-ENTERING: the angle looks like it's 're-entering' or going back into the shape.
Conceptual Metaphor
SHAPE IS A PATH: The shape's boundary 'turns back' on itself.
Practice
Quiz
A reentering angle is most closely associated with which concept?