Geometry symbols play a crucial role in expressing mathematical concepts and solutions. From familiar Math's symbols like "+", "-", "*", and "/", these evolve into specialized geometry symbols that visually represent geometric elements. These symbols, such as points (●), lines (―), and angles (∠), form the language of geometry, aiding in the precise communication of spatial relationships. The application of geometric symbols extends to different shapes like triangles (△) and circles (o), facilitating the representation and solution of geometric problems within the broader realm of Math's solutions.
Symbol |
Name of the Symbol |
Meaning / Definition |
∠ |
Angle |
Represents an angle formed by two rays sharing a common endpoint. |
m∠ |
Measured Angle |
Denotes the measure of an angle in degrees or radians. |
∢ |
Spherical Angle |
Represents an angle on the surface of a sphere. |
∟ |
Right Angle |
Denotes an angle of 90 degrees. |
° |
Degree |
Unit of angular measurement, with a full circle being 360 degrees. |
‘ |
Prime |
Indicates minutes in angular measurement (1 degree = 60 minutes). |
" |
Double Prime |
Indicates seconds in angular measurement (1 minute = 60 seconds). |
─→ |
Line |
Represents a straight path that extends indefinitely in both directions. |
AB or AB |
Line Segment |
Denotes a part of a line with two endpoints. |
→AB or AB→ |
Ray |
Represents a part of a line that starts at one endpoint and extends indefinitely in one direction. |
↺ |
Arc |
Represents a curved part of a circle. |
⊥ |
Perpendicular |
Denotes two lines that intersect at a right angle. |
∥ |
Parallel |
Indicates lines that will never intersect. |
≅ |
Congruent To |
Denotes that two shapes or segments have the same size and shape. |
∼ |
Similarity |
Denotes that two figures are similar. |
△ |
Triangle |
Represents a polygon with three sides and three angles. |
d |
Distance |
Represents the length between two points. |
π |
Pi Constant |
Represents the ratio of a circle's circumference to its diameter. |
rad |
Radians |
Unit of angular measurement, based on the radius of a circle. |
c |
Gradians / Gons |
Unit of angular measurement, a right angle is equivalent to 100 gradians. |