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

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

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

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

  5.   Which angle has a measure of 90°?
    A. B.
    C. D.
    Hint



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