1.   Which statement cannot be used to prove
   
    A. B.
    C. D. slope slope
    Hint

  2.   Which statement needs to be true to prove
   
    A. 1 3 B. 4 1
    C. m1 + m3 = 180° D. 1 2
    Hint

  3.   If two lines are cut by a transversal and ______ angles are congruent, then the lines are parallel.
    A. corresponding B. consecutive interior
    C. vertical D. adjacent
    Hint

  4.   If 34, which lines must be parallel?
   
    A. a and d B. a and c
    C. d and e D. a and b
    Hint

  5.   If is complementary to and is complementary to what reason proves
    A. If two parallel lines are cut by a transversal, then complementary angles are equal in measure.
    B. If two angles are complementary to the same angle, then they are equal in measure to each other.
    C. Transitive Property
    D. Angle Addition Property
    Hint



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