I would like to know how to make geometric symbols denoting lines, line segments, rays, arcs, or circles. This is what they should look like. I have tried symbol searching things like DeTextify, but it can't find symbols that attach to other letters.
2 Answers
Here is a start, using elements from the Comprehensive LaTeX Symbol List:
\documentclass{article}
\usepackage{amsmath,mathabx}
% For convenience and syntax, define your own commands for each.
% See https://tex.stackexchange.com/a/29846/5764
\newcommand{\Line}{\overleftrightarrow}
\newcommand{\Linesegment}{\overline}
\newcommand{\Ray}{\overrightarrow}
\newcommand{\Yar}{\overleftarrow}
\newcommand{\Arc}{\overgroup}
\newcommand{\Circle}{\mathord{\odot}}
\begin{document}
\[
\Line{AB},
\Linesegment{AB},
\Ray{AB},
\Yar{AB},
\Arc{AB},
\Circle A
\]
\end{document}
While amsmath
is not needed in the example above, it's good to use for other things.
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2@SomeGuy Tells LaTeX that the symbol is an “ordinary” symbol, and not a binary operator, relation, or something else. That affects the spacing of the expression.– DavislorMar 16, 2021 at 19:14
The whole list of latex symbols is here: https://www.ctan.org/pkg/comprehensive
\documentclass{article}
\usepackage{amsmath}
\usepackage{fourier}
\begin{document}
\[
\overleftrightarrow{AB}, \overline{AB},\overrightarrow{AB}, \widearc{AB}, \wideparen{AB}, \odot A
\]
\end{document}