Mathematics, 20.08.2019 21:30 jackydtb

Answer sometimes, always, or never
1) if 2 lines are not coplanar, then they intersect.
2) if 3 lines intersect at a point, then they are coplanar.
3) if 2 lines are parallel, then they are coplanar.

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Answer sometimes, always, or never
1) if 2 lines are not coplanar, then they intersect.