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

  2.   Which pair of angles are supplementary?
    A. B.
    C. D.
    Hint

  3.   Angles A and B are supplementary. If = 45°, find .
    A. 45° B. 75°
    C. 90° D. 135°
    Hint

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

  5.   Angles A and B are complementary. If mA = 25°, what is mB?
    A. 75° B. 25°
    C. 65° D. 90°
    Hint



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