In detail

Parallel lines

Parallel lines

The following images show a series of parallel or almost parallel lines with another series of lines that interfere and make it difficult to observe when determining whether the lines are effectively parallel or not.

Of all the images shown, you can say Which images show parallel lines and which do not?

Solution

All images show parallel lines. The rest of the lines only deceive our senses and cause us illusions of deformations on the objects of the drawing that do not really exist.