To Dimension the Radius of a Circular Element
-
Select the
Dimension Radial tool (
Drawing > Annotate > Dimensioning
).

The Radial Dimensioning tool setting window opens.
- Select the circular element to be dimensioned.
-
Set the mode to
Dimension Radius.

-
Fill necessary details in the extended tool settings if needed.
-
Position the dimension and enter a data point to place it.
Figure 1. Dimensioning the radius of a circular element 