Symbols In Geometry Symbols And Labeling, Geometry Symbols

Geometry Symbols: Geometry is a branch of mathematics that deals with the properties of configurations of geometric objects – (straight) lines, circles and points being the most basic.

The area of mathematics that deals with space, lines, shapes and points

Plane Geometry is about flat shapes like triangles, circles, and lines,Solid Geometry is about solid (3-dimensional) shapes like spheres and cubes.

Geometry Symbol Chart

Let’s explore the typical Geometry symbols and meanings used in both basic Geometry and more advanced levels through this geometry symbol chart.


Symbol Name

Meaning/definition of the Symbols


angle formed by two rays ∠ABC = 30º
right angle = 90º α = 90º
spherical angle AOB = 30º
´ arcminute 1º = 60´ α = 60º59′
º degree 1 turn = 360º α = 60º
´´ arcsecond 1´ = 60´´ α = 60º59’59”
(overrightarrow{AB})| perpendicular perpendicular lines (90º angle) AC | BC
congruent to equivalence of geometric shapes and size ∆ABC ≅∆XYZ
|| parallel parallel lines AB || CD
Δ triangle triangle shape ΔABC ≅ΔBCD
~ similarity same shapes, not the same size ∆ABC ~∆XYZ
π pi constant π = 3.141592654…

is the ratio between the circumference and diameter of a circle

c = π·d = 2·π·r
|xy| distance distance between points x and y | xy | = 5
grad grads grads angle unit 360º = 400 grad
rad radians radians angle unit 360º = 2π rad

MATHS Related Links
Math Symbols Set Symbols
Algebra Symbols Statistics Symbols
Geometry Basics Geometry Tools
Coordinate Geometry Euclidean Geometry
Geometry In Real Life Geometry Formulas For Class 10

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