Circle

You can sketch a center-based circle with the Circle tool, or you can sketch a perimeter-based with the Perimeter Circle tool.
To create a center-based circle:
Click Circle on the Sketch toolbar, or click Tools, Sketch Entities, Circle.
The pointer changes to .
Click in the graphics area to place the center of the circle.
Move the pointer and click to set the radius.
Click OK .

To create a perimeter-based circle:
Click Perimeter Circle on the Sketch toolbar, or click Tools, Sketch Entities, Circle.
The pointer changes to .
Click in the graphics area to place the perimeter.
Drag left or right to sketch the circle.
When you finished dragging, the pointer is displayed.
Right-click to set the circle.
Click OK .
To modify a circle by dragging:
In an open sketch:
Increase the perimeter by dragging its edge away from its center point.
Decrease the perimeter by dragging its edge toward its center point.
Move the circle by dragging its center point.
To change the properties of a circle:
In an open sketch, select the circle and edit its properties in the Circle
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