## Geometry: Common Core (15th Edition)

$\overline{RS}$ or $\overline{SR}$ $\overline{ST}$ or $\overline{TS}$ $\overline{TW}$ or $\overline{WT}$ $\overline{RT}$ or $\overline{TR}$ $\overline{SW}$ or $\overline{WS}$ $\overline{RW}$ or $\overline{WR}$
A segment is a part of a line that consists of two endpoints and all points between them. You can name a segment by its two endpoints. Each endpoint can be named in either order. Example: $\overline{AB}$ and $\overline{BA}$ are the same segment.