TeXipedia

angln

Represents the angle symbol in mathematical notation, commonly used to denote geometric angles in a natural style.

Overview

Provides a more naturally styled angle notation compared to standard angle symbols, particularly useful in geometric proofs and trigonometric expressions.

  • Popular in geometric constructions and diagrams
  • Often preferred in educational contexts for its clear, intuitive appearance
  • Commonly used alongside coordinate geometry and triangle calculations
  • Appears frequently in architectural and engineering drawings where angle measurements are critical

Examples

Expressing an angle in degrees with the angle symbol.

∠ABC=90∘\angle ABC = 90^\circ 
\angle ABC = 90^\circ

Defining a right angle in a geometric proof.

If ∠ABC=90∘, then triangle ABC is right-angled\text{If } \angle ABC = 90^\circ \text{, then triangle ABC is right-angled} 
\text{If } \angle ABC = 90^\circ \text{, then triangle ABC is right-angled}

Specifying multiple angles in a geometric construction.

∠A=60∘,∠B=60∘,∠C=60∘\angle A = 60^\circ, \angle B = 60^\circ, \angle C = 60^\circ 
\angle A = 60^\circ, \angle B = 60^\circ, \angle C = 60^\circ