alleryThree points that are not on one straight line lie in how many flat planes?
AZero planes
BExactly one
CExactly two
DInfinitely many
Answer & Solution
Correct answer: B. Exactly one
1. Three points not in a line fix a flat surface.
2. Exactly one plane contains them, as with a three-legged stool that never wobbles.
3. Infinitely many planes pass through only two points.
_Source: Wikipedia, Line (geometry), Collinear points_
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