AutoCAD 2008 User's Guide > Annotate Drawings > Dimensions and Tolerances > Create Dimensions > Create Radial Dimensions > 
Create Radial Dimensions
Concept Procedure Quick Reference
 
 
 

To create a diameter dimension

To create a radius dimension

To create a jogged radius dimension

To create centerlines automatically with radial dimensions

To create centerlines or center marks on an arc or circle