Circle with Three Points
- Select | Lines |
Circle with Three Points. - (OR) Select the context-sensitive function
Circle > 
3 Rad. Pnts / Tang..
- (OR) Select the context-sensitive function
- Select the first radius point.
- Select the second radius point.
- Finish the circle by selecting its third radius point.
- Draw more circles by repeating steps 2-4 or finish drawing circles by pressing the ESC key or the middle mouse button.