Position
the pointer where you want the arc to begin, and drag to where you want
the arc to end.
Click
where you want the arc to begin. In the dialog box, click a square
on the reference point locator to
determine the point from which the arc is drawn. Then set any of
the following options, and click OK.
Length X‑Axis
Specifies
the width of the arc.
Length Y‑Axis
Specifies
the height of the arc.
Type
Specifies
whether you want the object to be an open path or a closed path.
Base Along
Specifies
the direction of the arc. Choose X Axis or Y Axis depending on whether
you want to draw the base of the arc along the horizontal (x)
axis or vertical (y) axis.
Slope
Specifies
the direction of the arc’s slope. Enter a negative value for a concave
(inward) slope. Enter a positive value for a convex (outward) slope.
A slope of 0 creates a straight line.
Fill Arc
Fills
the arc with the current fill color.
Note: To see a dynamic preview
of the arc as you set options, double-click the arc tool in the
Tools panel.