You must set Point On or End Point on the SmartSketch dialog to draw arcs that are tangent to other elements. You can set these options by selecting SmartSketch Settings on the Tools menu.
-
On the Draw toolbar, select the FreeSketch Command to open the FreeSketch Ribbon.
-
On the ribbon, set the Arc element type and clear the other element type buttons.
-
Drag to draw an arc.