Sketcher > Dimensioning Sketcher Geometry > Working with Dimension Tools > Normal Dimensions > Angle and Total Included Angle Dimensions
  
Angle and Total Included Angle Dimensions
When dimensioning a section with a centerline and a non-parallel line, you can assign an angle dimension or a total included angle dimension, depending on the design intent.
The following is an example of a line with an angle dimension applied:
The following is an example of the line with a total included angle dimension applied: