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

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

  3.   At what time will the hands of a clock be closest to forming a straight angle?
    A. 7:45 B. 9:15
    C. 1:30 D. 10:10
    Hint

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

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



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