HoverMeasure

Dynamic Measure can display information about paths, anchor points, and handles simply by hovering the cursor over the item of interest. The fields which are displayed are specified in the preferences dialog. By default, they include path information (type and number of points); length of the path segment; length of the entire path; coordinates of anchor points and handles; and length and angle of handles.

Dynamic Corners HoverMeasure

The path does not need to be selected; however, selected paths take precedence over unselected paths, even if they are underneath them.