Rotating
and copying the auxiliary lines
- Use the Copy window, located in Utilities
Copy. (See Figure 9.)
- Repeat the rotating and copying process from section 2.5 for the two auxiliary
lines. Select the option Lines from the Entities type menu
and enter an angle of 36 degrees.
- Select the lines to copy and rotate. Do this by clicking Select in
the Copy window.
- Press ESC to indicate that the process of selecting is finished,
thus executing the task. (See Figure 7.)

Figure 7. Result of copying and
rotating the line.
- Rotate
the line segment that goes from the origin to point (40, 0) an angle of 33
degrees and copy it. (See Figure 8.)

Figure 8. Result of the rotations
and copies

Figure 9.
The Copy window
NOTE:
In the Copy and Move windows, the option Pick may be used
to select exisitng points with the mouse.