1.   Classify the given angle.
   
    A. complementary B. acute
    C. right D. obtuse
    Hint

  2.   The angles shown are complementary. Find the measure of .
   
    A. 180 B. 145
    C. 55 D. 90
    Hint

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

  4.   The supplement of has a measure of 105°. Find the measure of .
    A. 75 B. 60
    C. 90 D. 180
    Hint

  5.   Classify the given angle.
   
    A. obtuse B. complementary
    C. acute D. right
    Hint



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