To make dotted lines or circles and shapes with dotted lines using GIMP, use the Paths tool to draw the line & then the Stroke path tool.

How to Draw a Dotted Line in GIMP. If you think creatively, you can often use existing tools in useful new ways. The free GNU Image Manipulation Program has a Paths tool that assists with drawing ...

You can create a dashed, dotted line in Microsoft Word via Insert, Shape Styles on Ribbon or by using a shortcut. Learn how to do it.