When you create an angular dimension on an arc, you can toggle between displaying the length and the angle.
To create an Angular dimension on an arc:
- Create a three-point arc.
Click Annotation tab > Dimension panel > Angular > Minor Angle.
- Click the centre of the arc and then the two end points of the arc.
- Move the cursor and click to specify the position of the annotation and add the dimension.
- Place the cursor on the dimension and right-click to display the Dimension context menu.
- Use the options Display Length and Display Angle to toggle between displaying the length and displaying the angle.