1.   Find the value of x if
   
    A. 30 B. 20
    C. 50 D. 40
    Hint

  2.   Find if °.
   
    A. 50° B. 140°
    C. 130° D. 120°
    Hint

  3.   In the figure, °. Find
   
    A. 90° B. 120°
    C. 45° D. 30°
    Hint

  4.   Choose the true statement.
   
    A. and are supplementary.
    B. and are alternate interior angles.
    C. and are vertical angles.
    D. and are corresponding angles.
    Hint

  5.   A and B are supplementary angles. What is the measure of B if mA = 120°?
    A. 180° B. 120°
    C. 30° D. 60°
    Hint



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