2. WHICH OF THE FOLLOWING STATEMENTS ARE THEOREMS AND POSTULATES? WRITE T IF THEOREM AND P IF POSTULATE.

__1. if two points lie in a plane then the line joining them lies in that plane.
__2. if two planes intersect then their intersection is a line.
__3. a line contains at least two points.
__4. if two lines intersect then they intersect in exactly one point.
__5. the midpoint of a line segment is​