Yes, it is possible to draw 7 lines which are perpendicular to each other. However, it would require careful planning and precision to ensure that all seven lines are perpendicular to each other. One way to achieve this would be to draw three lines in one direction, then draw three more lines perpendicular to those, and finally draw one more line perpendicular to all six of the previous lines. Here's an example of how this could be done:

Draw a horizontal line.
Draw a vertical line intersecting the first line at its midpoint.
Draw another horizontal line intersecting the vertical line at its midpoint.
Draw a vertical line intersecting the third line at its midpoint.
Draw another horizontal line intersecting the fourth line at its midpoint.
Draw a vertical line intersecting the fifth line at its midpoint.
Draw a final horizontal line intersecting the sixth line at its midpoint and also intersecting the first line at its midpoint.
If done correctly, all seven lines will be perpendicular to each other.
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