Add a radius circle
Use the Radius tool to draw a circle centered on a point you choose, or to draw a circle of a specific radius.
Note To complete the following procedure, you must use the Drawing toolbar. If the Drawing toolbar is not visible, on the View menu, point to Toolbars, and then click Drawing.
On the Drawing toolbar, click Radius .
Position the mouse pointer where you want to place the center of your circle.
Drag the mouse to draw the radius of your circle.
Tips
To hide the radius label, on the Draw menu, click Hide size.
To show the radius label, on the Draw menu, click Show size.