Common Geometry Symbols
Common Geometry Symbols
Geometry Symbol
Symbol Symbol Name
(1) ∠ Angle
(2) ∟ Right angle
(3) ∡ Measured angle
(4) ⊾ Right angle with arc
(5) ⦟ Acute angle
(6) ⌒ Arc
(7) ∥ Parallel lines
(8) ∦ Not parallel
(9) ° Degree sign
(10) ⎻ Line segment
(11) → Ray
(12) ↔ Line
(13) , Prime
(14) ” Double prime
(15) ▷ Triangle
(16) ⊿ Right angle Triangle
(17) 𝛑 Pi constant
(18) ⊥ Perpendicular
(19) ≅ Congruent to
(20) ~ Similarity
(21) |x-y| Distance
(22) rad Radians
(23) c Radians
(24) grad Gradians