the definition of parallel lines requires the undefined terms line and plane by the definition of perpendicular lines requires t he undefined terms of line and point. what charcteristics of these geometric figures create the different requirements?
1 answer:
Answer:
Parallel lines never intersect, but they must be in the same plane. The definition does not require the undefined term point, but it does require plane. Because they intersect, perpendicular lines must be coplanar; consequently, plane is not required in the definition.
Step-by-step explanation:
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