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

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

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

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

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



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