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

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

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

  4.   Which angle has a measure of 10°?
    A. B.
    C. D.
    Hint

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



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