Answer :
1. if two planes intersect, then their intersection is a line
2. Space contains at least four points not all on one plane.
3. Through any two different points, exactly one line exists
i dont under stand number 4 but ur welcome
1. if two planes intersect, then their intersection is a line
2. Space contains at least four points not all on one plane.
3. Through any two different points, exactly one line exists
i dont under stand number 4 but ur welcome