# Symbols:Geometry/Length of Line Segment

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## Length of LineSegment

- $\overrightarrow {\size {AB} }$, $\size {AB}$

**Length** is linear measure taken in a particular direction.

Usually, in multi-dimensional figures, the dimension in which the linear measure is greatest is referred to as **length**.

It is the most widely used term for linear measure, as it is the standard term used when only one dimension is under consideration.

**Length** is the fundamental notion of Euclidean geometry, never defined but regarded as an intuitive concept at the basis of every geometrical theorem.

The $\LaTeX$ code for \(\overrightarrow {\size {AB} }\) is `\overrightarrow {\size {AB} }`

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The $\LaTeX$ code for \(\size {AB}\) is `\size {AB}`

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## Sources

- 2014: Christopher Clapham and James Nicholson:
*The Concise Oxford Dictionary of Mathematics*(5th ed.) ... (previous) ... (next): Appendix $14$: Symbols