Draw arcs by specifying three points: a start point, a second point, and an endpoint.
In the following example, the start point of the arc snaps to the endpoint of a line. The second point of the arc snaps to the middle circle in the illustration.
To create an arc
Click ARC.
Specify the start point.
Specify a point on the arc, or use the command line to input a distance.
Specify an endpoint, or use the command line to input a distance.