Geometry Notations in LaTeX

Geometry Notations are notations that refer to the geometric figures, and to the sizes of the figures. For example, Line Segment AB is represented as . So Let’s see the latex code of Geometry Notations one by one. 
Geometry Operators and their Latex Code :

TERMSYMBOLLATEX
1. Line Segment\overline{\rm AB}
2. ray (half-line)\overrightarrow{\rm AB}
3. angle\angle
4. measured angle\measuredangle
5. triangle\triangle
6. square\square
7. congruent (same shape and size)\cong
8. not congruent\ncong
9. similar (same shape)\sim
10. not similar\nsim
11. is parallel with\|
12. is not parallel with\nparallel
13. is perpendicular to\perp
14. is not perpendicular to\not\perp