Match the definitions in Column I with the terms in Column II. (1 point each) 
 Column I 
 ____ 1. A portion of a line that has only one 
 endpoint. 
 ____ 2. Lines that lie in the same plane and 
 meet at one point. 
 ____ 3. Has no shape or size, but is used to 
 identify a precise location. 
 ____ 4. Lines that lie in the same plane but 
 never intersect. 
 ____ 5. A flat surface that goes infinitely in 
 every direction. 
 ____ 6. A collection of points that extend 
 infinitely in both directions. 
 ____ 7. Two intersecting lines that form 
 right angles when they intersect.