What real-world examples would you describe for the three ways in which two lines may be related?

Question

stuck-help · Answer

@campbell_st  can you help

ribhu · Answer

railway track for parallel lines..

campbell_st · Answer

if you look at brick buildings 

all the mortar  has been laid either parallel or perpendicular to give the building structural integrity

jim_thompson5910 · Answer

There are 3 cases

1) two lines may be parallel (never cross)

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2) the two lines cross at exactly one point

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3) the two lines may intersect infinitely many times (one line is directly on top of the other)

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