A **line segment**, also known as an **interval** or **closed interval**, is 2 connected points.

It can be considered as being the solid interior of the 1-dimensional hypersphere, the point pair.

A circle can be made by rotating a line segment around the middle axis.

People often say a line. A proper line has infinite length. They refer to a line segment when they mean line.

A line segment is actually made of an infinite number of points as the line connecting the two points is made up of an infinite number of points.

### Hypervolumes

### Subfacets

- 2 points (0D)

### See also

Zeroth | First | Second | Third | Fourth | Fifth | Sixth | Seventh | Eighth | Ninth | Tenth | Eleventh | Twelfth | Thirteenth | Fourteenth | Fifteenth | Sixteenth | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|

Simplex | Point | Line segment
| Triangle | Tetrahedron | Pentachoron | Hexateron | Heptapeton | Octaexon | Enneazetton | Decayotton | Hendecaxennon | Dodecadakon | Tridecahendon | Tetradecadokon | Pentadecatradakon | Hexadecatedakon | Heptdecapedakon |

Hypercube | Point | Line segment
| Square | Cube | Tesseract | Penteract | Hexeract | Hepteract | Octeract | Enneract | Dekeract | Hendekeract | Dodekeract | Tridekeract | Tetradekeract | Pentadekeract | Hexadekeract |

Cross | Point | Line segment
| Square | Octahedron | Hexadecachoron | Pentacross | Hexacross | Heptacross | Octacross | Enneacross | Dekacross | Hendekacross | Dodekacross | Tridekacross | Tetradekacross | Pentadekacross | Hexadekacross |

Hypersphere | Point | Line segment
| Disk | Ball | Gongol | Pentorb | Hexorb | Heptorb | Octorb | Enneorb | Dekorb | Hendekorb | Dodekorb | Tridekorb | Tetradekorb | Pentadekorb | Hexadekorb |