You can use the Home | Insert | Ellipse or Features | Insert | Ellipse command to create an ellipse or circle in the plot document.
Click the Home | Insert | Ellipse command.
The cursor changes to a cross hair to indicate drawing mode.
Press and hold the left mouse button at one corner of the bounding box of the ellipse.
Drag the mouse to the opposite corner of the ellipse. The size of the ellipse’s bounding box appears in the status bar as it is drawn. You can draw an ellipse out from the center rather than corner to corner by holding down the SHIFT key.
Release the left mouse button when the ellipse is the preferred size and shape.
Press the ESC key to end draw mode.
Hold down the CTRL key while dragging the mouse to draw a circle rather than an ellipse.
Hold down the SHIFT and CTRL keys while dragging the mouse to draw the circle from a center point rather than from end to end.
Edit the ellipse or circle properties by clicking on the object in the plot window or in the Contents window.
Set default line and fill properties with the File | Options command. On the Default Properties page, click the Line or Fill button to set the default line or fill properties.
Ellipse properties are edited in the Properties window. Click on the ellipse to select it. The ellipse properties contain the following pages:
The Fill page allows you to customize the ellipse Fill properties.
The Line page allows you to customize the ellipse Line properties.
The Info page for an ellipse displays the Coordinate System, Perimeter, and Area.
Features Tab Commands