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Home > AC > Chapter 5 > Lesson 5.1.1 > Problem 5-8


Fisher thinks that any two lines must have a point of intersection. Is he correct? If so, explain how you know. If not, produce a counterexample. That is, find two lines that do not have a point of intersection and explain how you know.  

Lines that are parallel never intersect. They both go on in the exact same direction, and without any curves, so they will never intersect.

Parallel lines