1.3.1 - Draw a line - Basic
A line is the most basic object and can be consisted by one segment or a series of connected segments.
You can assign properties to lines, as color, linetype and line weight.
1.3.2 - Circle - basic
To draw a Circle, you can specify varius combinations of center, radius, diameter, points on the circumference and tans.
The default method is to specify the center and the radius.
1.3.3 - Arc - Basic
To draw an Arc, you can specify varius combinations of points, center, endpoint, start point, radius, angle, chord length and direction values.
The arcs are drawn counterclockwise from the start point to the endpoint.
1.3.4 - Draw a Rectangle - Basic
On autoCAD you can access the Circle command on the ribbon, to do this:
On Ribbon click Home tab ►Draw panel ►click Rectangle icon and select Rectangle (Fig. 18.104.22.168).