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

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

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

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

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



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