1. Click Home tabAnnotation panelDiameter. Find
2. Select the arc or circle to dimension.
3. Enter options as needed:
   • To edit the dimension text content, enter t (Text) or m (multiline text). Editing within or overwriting the brackets (<) changes or removes
     the dimension value. Adding text before or after the brackets appends text before
     or after the dimension value.
   • To change the dimension text angle, enter a (Angle).
4. Specify the leader line location.

Learning AutoCad