If two lines intersect then their intersection is exactly
     If two lines intersect, then their intersection is exactly  ___________  ___________ line can be drawn through two points.  If two planes intersect, then their intersection is ___________.  Through any three non-collinear points there exists exactly ___________.  Yes No AB  CD?  Yes No EE and CD intersect at point H?  Yes No Points D, E, and F are collinear?  Yes No Points G, B, and E lie in a plane not shown on the diagram?  Yes No Plane M intersects plane N in CD?  Yes No AB  plane N? 
  
  Solution
16. One point
17. One
18. a line
19. One plane
20. No
21. No
22. Yes
23. No
24. Yes

