This command labels dimensions of an arc including the chord angle, chord length, radius and radial bearing in and out. Besides creating the labels, this command also draws the chord line and radial lines. In the options dialog, choose which labels to draw, the label prefix and label position. The arc can be defined by selecting an arc entity, selecting an arc segment of a polylines or by entering points for the arc.
Options/Points/<Select arc>: pick an
arc
Pulldown Menu Location: Annotate > Annotate Arc
Keyboard Command: arcdim
Prerequisite: None