Geometry Symbols Cheat Sheet
Symbol
Meaning
A
⃡𝐴𝐵
̅̅̅̅
𝐴𝐵
𝐴𝐵 = 5
point A
line AB
line segment AB
the length of segment AB is 5
ray AB
𝐴𝐵
⏜
𝐴𝐵
∠
∠𝐹𝐶𝐸
𝑚∠𝐹𝐶𝐸 = 54°
°
⃡ ∥ 𝐵𝐸
⃡
𝐴𝐷
⃡ ⊥ 𝐴𝐵
⃡
𝐴𝐷
∆
≅
~
≈
𝜃
arc AB
angle
angle FCE
measure of angle FCE is 54°
degrees
line AD is parallel to line BE
line AD is perpendicular to line AB
triangle
congruent
similar
approximately
theta (variable for an angle)