Question

Which type of line is used to show an object's outline and other lines or edges within the object

Answer 1

The type of line in art that is used to show an object's outline and other lines or edges within the object are what are called contour lines.

Hope I helped let me know if you need further explanation! :)

Answer 2

Answer: Contour line.

Explanation:  The line that is used to show an object's outline is called "Contour Line", where "contour" means "outline" in French.

There are a lot of artistic ways to use them and add a lot of character to the drawing, for example varying the thickness of the outline in some areas of the drawing may add a lot of texture to it.