1. Select compass.[br]2. Click on point A then B to set compass width. Line up point C so that it is the same distance away from A. Click on point D then drag point E until it matches the intersection of the compass.[br]3. Select compass again and click on point B then C. [br]4. Click point E and put point F at the intersection of the compass setting from steps 2 and 3.[br]5. Draw a ray from point E through point F.[br][math]\angle[/math]ABC[math]\cong[/math][math]\angle[/math]DEF