Draw three-point arc using dynamic input

1. In Sketch mode, on the ribbon Sketch tab Draw panel , click Arc Three Point .
2. In the graphics window, pick a starting point for the arc. When Pointer Input is turned on, the X and Y values for the arc start point display.
3. In the highlighted value input box, enter a length (distance) value for the end point of the arc, and press TAB. The field displays a lock icon to indicate that value you entered constrains the cursor.
4. The second value input box highlights. Enter a value for the included angle, and press ENTER.
   Note: If you press ENTER after you enter a length for the end point of the arc, you cannot specify the included angle. The angle of the arc is drawn using the current angle of the cursor instead.
5. The third value input box highlights. Enter a value for the arc radius, and press ENTER.
6. The three-point arc is drawn and dimensioned automatically using the values you entered.
7. Continue drawing arcs, or press ESC to quit the Three Point Arc command.