Rotating and copying the auxiliary lines

• Use the Copy window, located in Utilities->Copy.

• Repeat the rotating and copying process from section 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 lines is finished, thus executing the task.

• Rotate the line segment that goes from the origin to point (40, 0) by 33 degrees and copy it.

 NOTE: In the Copy window, the button may be used to select existing points with the mouse, or alternatively enter its number in the entry field.