Yes since 3 non-collinear points determine a plane. Of course one can take any two of the three points and draw a line between them. There are an infinite number of planes going through this line. Now pick on more point, not on the line, and those three points uniquely determine a plane.
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a coplanar
In a Euclidean plane, only one.
point, line and plane
A ray
When the line is inclined to the plane. That is, it is not in the plane nor is it parallel to it.