You have opened a project. You have opened an editor such as the graphical editor, the plot frame editor, etc. You have marked a circle, an arc, or a sector and have selected the popup menu item Properties. Or you have double-clicked on a circle, arc, or sector. In the table of the Properties (Arc / Sector / Circle) dialog, expand the hierarchy level Arc / Sector / Circle.
Below this hierarchy level you can edit the specific settings of circles, arcs, and sectors.
Overview of the main dialog elements:
In the fields below this hierarchy level, the coordinates of the circle's center are displayed and can be modified.
This check box is selected if you have drawn a sector. Check it later to change an arc into a sector, or deactivate it in order to change a sector to an arc.
The angle displayed here specifies the starting point of the arc or sector relative to the X axis, and it can be altered.
The angle displayed here specifies the end point of the arc or sector relative to the X axis, and it can be altered.
The circle's radius is displayed here and can be altered.
See also
Dialog "Properties (<Graphical element>)" / Tab "Format" (comments)