Which pair of undefined terms is used to define the term Parallel Lines?

A. Point and Ray

B. Point and Line

C. Ray and Line

D. Plane and Line

Answer:- B. Point and Line

Parallel lines can be represented as two lines in the same plane that are equally spaced apart and never meet. They can be both horizontal and vertical. Point and line are undefinable terms used in the definition of parallel lines. A dot indicates a point. A line is a set of points that can go on infinitely in two directions.

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