Question

If three points lie on the same line, they are collinear.

If three points are collinear, they lie in the same plane.

Answer 1

Explanation:

Answer 2

Both of these are true statements. This also shows us that if 3 points are on the same line, than they are all also in the same plane.

This is known as hypothetical syllogism, or more basically put:

If a then b, if b then c. Therefore if a then c.