To Create a Dimension That Shows the Angle an Arc Subtends on Its Center (AutoCAD Mechanical Toolset)

1. Click Home tabDimension panelPower Dimension. Find
2. Select the arc (1).
3. Specify the dimension location (2).
4. Edit the dimension as required, using the settings on the Power Dimensioning ribbon contextual tab, or click Power Dimensioning tabPredefined drop-down ( Find) and select a predefined dimension text template.
5. Click Power Dimensioning tabClose panel Close Editor. Find
6. Press Enter to end dimensioning.