semicircular
Sign in to saveAlso known as semicircle
In mathematics (and more specifically geometry), a semicircle is a one-dimensional locus of points that forms half of a circle. It is a circular arc that measures 180° (equivalently, radians, or a half-turn). It only has one line of symmetry (reflection symmetry).
Key facts
- Polygon.image
- Semicircle-curve.svg
- Polygon.name
- Semicircle
via Wikipedia infobox
Wikidata facts
- Subclass of
- circular arc
- Image
- Semicircle (PSF).png
Show 4 more facts
- maintained by WikiProject
- WikiProject Mathematics
- Commons category
- Semicircles
- Unicode character
- ◡
- facet of
- circle
Sources (1)
via Wikidata · CC0
~4 min read
Encyclopedic overview
7 sectionsContents
- Arithmetic and geometric means
- Farey diagram
- Equation
- Arbelos
- See also
- References
- External links
In mathematics (and more specifically geometry), a semicircle is a one-dimensional locus of points that forms half of a circle. It is a circular arc that measures 180° (equivalently, radians, or a half-turn). It only has one line of symmetry (reflection symmetry).
In non-technical usage, the term "semicircle" is sometimes used to refer to either a closed curve that also includes the diameter segment from one end of the arc to the other or to the half-disk, which is a two-dimensional geometric region that further includes all the interior points.
Excerpted from Wikipedia’s “semicircular” article, available under the CC BY-SA 4.0 licence.