1.   How many planes appear in the figure shown?
   
    A. 9 B. 7
    C. 8 D. 6
    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. G B. F
    C. B D. H
    Hint

  4.   The intersection of two planes could be a ______.
    A. segment B. line
    C. plane D. point
    Hint

  5.   Which of the following statements is true?
   
    A. The intersection of and plane M is .
    B. intersects plane M at point C.
    C. intersects plane M in two points.
    D. intersects plane M at point B.
    Hint



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