Angle Between 2 Lines

Angle between 2 lines

graph TB A[Angle between 2 lines] A --> B[Definition] B --> C[The angle between two lines is the angle measured in degrees between the two lines.] A --> D[Formula] D --> E[Tan(theta) = |(m2 - m1) / (1 + m1*m2)|] E --> F[m1 and m2 are the slopes of the lines.] A --> G[Examples] G --> H[Example 1] G --> I[Example 2]