Making an arc

An arc is a segment of a circle, and there are lots of ways that you can make one in AutoCAD. The method that you use to make an arc depends on the type of geometry that you want to make. In this case, I will explain some of the most frequently used methods of making an arc, and I will use this right-angled triangle with the A, B, and C vertices in all of the following examples:

Figure 2.32: A right-angled triangle, ABC

Select the Arc tool from the Draw panel in the Home tab, as illustrated in the following screenshot. You can also use its command, ARC:

Figure 2.33: The arc tools in the Arc flyout of the Draw panel

The command line will now prompt you to select the first point of the arc. Click on the A point of the triangle, then specify the second point as the B point, and the third point as the C point. An arc connecting the A, B, and C points will be formed, as shown here:

Figure 2.34: An...