1.   If m2 = 80°, what is m6?
   
    A. 20° B. 150°
    C. 100° D. 80°
    Hint

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

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

  4.   Complementary angles ______.
    A. have a sum between 90° and 180° B. have a sum of 180°
    C. are both obtuse angles D. have a sum of 90°
    Hint

  5.   R and S are alternate exterior angles. Find the value of x if mR = 7x° and mS = 175°.
    A. x = 25 B. x = 35
    C. x = 17.5 D. x = 12.5
    Hint



Glencoe
The McGraw-Hill Companies