Move the cursor to the upper left portion of the screen and left click on Smart Dimension as shown in Figure 17.

Figure 17

Move the cursor over the bottom horizontal line until it turns red as shown in Figure 18. Select the line by left clicking anywhere on the line or on each of the end points. To use the end points of the line, move the cursor over one of the end points. A small red dot will appear. Left click once and move the cursor to the other end point. After the red dot appears, left click once. The dimension will be attached to the cursor.

Figure 18

Move the cursor down to where the dimension will be placed and left click once as shown in Figure 19.

Figure 19

The Modify dialog box will appear as shown in Figure 20.

Figure 20

To edit the dimension, type 2.00 in the Modify dialog box (while the current dimension is highlighted) and left click on the green checkmark as shown in Figure 21.

Figure 21

The dimension of the line will become 2.00 inches as shown in Figure 22.

Figure 22

Move the cursor over the right side vertical line until it turns red as shown in Figure 23. Left click once.

Figure 23

Move the cursor to where the dimension will be placed and left click once as...