Sketching a Start-End-Radius Arc

1. Select a tool that allows for an arc.

   For example, click Annotate tabDetail panel (Detail Line).

2. Click Modify | Place Lines tab (or respective Modify | Place <Element> tab or Modify | Create <Element> tab)Draw panel (Start-End-Radius Arc), and place the cursor in the drawing area.
3. Click in the drawing area to specify the start point for the arc.
4. Move the cursor and click to specify the length of the chord.
   
   Note: You can also use listening dimensions to specify the length of the chord. After you click in the drawing area to specify the start point, type a value for the chord and press Enter.
5. Move the cursor and click to define the arc.
   
   Note: You can also use listening dimensions to specify the radius of the arc. Type a value for the radius and press Enter.