1.   Classify the angle below.
   
    A. obtuse B. straight
    C. acute D. right
    Hint

  2.   Classify the angle below.
   
    A. straight B. acute
    C. right D. obtuse
    Hint

  3.   Classify the angle whose measure is 100°.
    A. acute B. straight
    C. obtuse D. right
    Hint

  4.   Which angle has a measure of 128°?
    A. B.
    C. D.
    Hint

  5.   Which angle has a measure of 170°?
    A. B.
    C. D.
    Hint



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