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

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

  3.   Find the value of x so
   
    A. -6 B. 5
    C. 90 D. 6
    Hint

  4.   If and , what reason proves that
    A. Angle Addition Property
    B. Transitive Property
    C. If two parallel lines are cut by a transversal, then alternate interior angles are equal in measure.
    D. If two angles are vertical angles then they are equal in measure.
    Hint

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



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