Describe a way to ensure that multiple lampposts are in a straight line. Make a schematic explanatory drawing.

We must go around the pillars. If you can find a position in which they all visually merge into one column, then on one straight line. If there is no such position, then they are not on the same straight line.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.