Toolbox Icon:

Dimensions the radius of a circle or arc.

The Dimension Radius window has four options for the extension lines and arrowheads.

Text Inside Circle: Draws the dimension text and arrowheads inside the circle or arc.

Pre-Defined Extension Line: Draws the dimension text and arrowheads outside the arc or circle.

Custom Extension Line: Draws the dimension text and arrowheads outside the arc or circle with a custom extension line.

Text Inside Circle: Draws the arrowheads inside the arc or circle.

Point 1: Circle or arc to be dimensioned Point 2: Location for dimension text

NOTE: The other options available in this command are the same ones available in the Dimension command.You can also set dimension parameters globally in the program Options.