Geometry & Angle Symbols (° ∠ ⊥ ∥) — Copy & Paste

Geometric symbols used in structural engineering, technical drawing, and mathematics. Copy any symbol instantly with its Unicode, HTML and LaTeX reference.

Symbols — copy & reference
°
Degree
Unit of plane angle measurement. Used for angles, temperature (°C, °F) and geographic coordinates.
U+00B0 ° ^{\circ}
Angle
Denotes an angle between two lines or rays in geometry and structural engineering.
U+2220 \angle
Perpendicular
Indicates that two lines or planes are at 90° to each other.
U+22A5 \perp
Parallel
Indicates that two lines or planes never intersect — they run in the same direction.
U+2225 \parallel
Triangle
Denotes a triangle in geometry. Also used as the change/difference symbol in some contexts.
U+25B3 \triangle
π
Pi
Ratio of a circle’s circumference to its diameter ≈ 3.14159. Fundamental in all geometry.
U+03C0 π \pi
Therefore
Logical conclusion symbol: ‘therefore’. Used in geometric proofs and logical derivations.
U+2234 \therefore
Because
Indicates the reason or premise in a proof. Complement of ∴.
U+2235 \because
Congruent to
Two geometric figures are congruent if they have the same shape and size.
U+2245 \cong
Similar to
Two figures are similar if they have the same shape but not necessarily the same size.
U+223C \sim
How to insert in applications
Windows
Best option: copy from this page.
Or Win + . to open emoji & symbols panel.
macOS
⌃⌘Space → Character Viewer → search by name
Microsoft Word
Insert → Symbol → More Symbols → find by Unicode
Google Docs
Insert → Special characters → search by name or draw
LaTeX
Use command in math mode: $ … $
HTML
Use HTML entity or decimal code directly in markup

Scroll to Top