1.   Name three points that are collinear.
   
    A. A, D, F B. C, D, F
    C. A, C, D D. A, B, D
    Hint

  2.   Name two lines that lie in plane ADH.
   
    A. , B. ,
    C. , D. ,
    Hint

  3.   Which point do planes DHC, EHF, and BFG have in common?
   
    A. F B. G
    C. B D. H
    Hint

  4.   Which figure shows points D(-1, -1), E(3, 4), F(-4, 2), and G(0, 2) on a coordinate plane with lines EF and DG intersecting at H and a point C that is coplanar with D, E, F, G, and H, but is not contained in either line?
    A.
    B.
    C.
    D.
    Hint

  5.   How many planes appear on the figure shown?
   
    A. 5 B. 7
    C. 6 D. 8
    Hint