Angle of Inclination

Angle of Inclination

The angle of inclination, θ, (0° < θ < 180°) is the angle formed between a line and the x-axis. The angle is related to the gradient of the line using this formula:

θ = tan-1(m) , m = tan ⁡θ

Explore!

Use the applet below to explore the relationship between the angle of inclination and the gradient of the line forming the angle.