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

  2.   Classify the angle whose measure is 100°.
    A. obtuse B. right
    C. acute D. straight
    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. 1:30 D. 9:15
    Hint

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

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



Glencoe
The McGraw-Hill Companies