To create an arc, you can specify various combinations of center, endpoint, start point, radius, angle, chord length, and direction values.
By default, arcs are drawn in a counterclockwise direction. Hold down the Ctrl key as you drag to draw in a clockwise direction.
Draw panel
Arc drop-down
3-Point.
At the Command prompt, enter arc.
Draw panel
Arc drop-down
Start, Center, End.
At the Command prompt, enter arc.