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False. In order for the line PQ to lie in plane B, then both P and Q must lie in plane B.
Yes because a line can lie in many planes so one we add one point not on that line, we define a unique plane.
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Points or lines that lie on the same plane are coplanar.
It is a Geometry Theorem. "A line and a point not on the line lie in exactly one place" means what it says.
Yes.
A straight line MUST lie in a plane. A curved line may or may not.
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False. In order for the line PQ to lie in plane B, then both P and Q must lie in plane B.
they lie in the same plane
Yes because a line can lie in many planes so one we add one point not on that line, we define a unique plane.
Yes, a plane containing 2 points of a line contains the entire line. Let us consider two points on a plane and then draw a line segment joining those two points. Since the points lie on the plane so line segment has to lie completely on that plane too. Now if we extend the line segment indefinitely in both directions we get a line and that line also has to lie on the same plane since some definite part(line segment) of it(line) also lies on the same plane.
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True.
Points or lines that lie on the same plane are coplanar.
It is a Geometry Theorem. "A line and a point not on the line lie in exactly one place" means what it says.
No. If the points are all in a straight line, then they could lie along the line of intersection of both planes. Mark three points on a piece of paper, in a straight line, and then fold the paper along that line so that the paper makes two intersecting planes. The three points on on each plane, but the plants are not the same.