Angle of Inclination of Line is the angle made by the line with the positive part of the x-axis in the anti-clock wise direction. And is denoted by ∠Inclination. Angle of Inclination of Line is usually measured using the Degree for Angle. Note that the value of Angle of Inclination of Line is always positive. Typically, the value of Angle of Inclination of Line lies in the range from 0 to 180.