Sizing handles are used in microsoft® word® to

Change the size of a graphic is the correct answer of this question.

Explanation:

Within Microsoft word sizing handles are used to adjust the size of an object / item, objects such as graphics.Sizing handles alluded to as a manage, drag fix, scale grip or resize corner, the rounding handle is a GUI (graphical user interface) feature that allows users to adjust an object.

Sizing handle is an explicit comparison to a tool used when apply software refers to memory resources or objects that are handled by another system, such as a registry or a software.