# Angles

The amount of rotation of a ray from its initial position to final position is called angle.

###### Example

$\overrightarrow{PQ}$ is a ray. It is rotated to another position from its initial position. Now, the ray $\overrightarrow{PQ}$ is called as $\overrightarrow{PR}$.

The amount of rotation of the ray $\overrightarrow{PQ}$ to reach its final position is called angle.

The graphical animation understood you the concept an angle in geometrical mathematics. Now, it is time to move you to the next level.

### Basics

Two terms are used to study the concept of an angle in geometrical mathematics.

### Representation

A special mathematical approach is used to represent an angle in mathematics.

### Formation

There are two different theories to understand the geometrical formation an angle.

### Sense

There are two kinds of angles and it is determined by the rotation of side or arm.

### Types of Angles

A complete rotation of a line is $360^\circ$. The angles are classified into seven types on the basis of the sectors and some notable angles of region of the complete rotation.

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