Congruent Angle Annotation

 

Place a congruent mark between pairs of linear drawing elements: lines, segments, vectors, or polygon sides.  Use these steps:

1. Select    two lines, segments, vectors, or polygon sides.  The Annotate / Congruent icon   will light up when both lines are highlighted.
2. Click the icon.

 

You can change the arc count with these steps:

1. Select the annotation.
2. Right click to invoke the selection Context menu.
3. Select Tic/Arc Count from the menu and click the desired number.