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

  2.   What is the measure of the given angle?
   
    A. 90° B. 120°
    C. 175° D. 60°
    Hint

  3.   What is the measure of the angle?
   
    A. 150° B. 120°
    C. 60° D. 90°
    Hint

  4.   Find the sum of the measures of the interior angles of the polygon.
   
    A. 540° B. 1080°
    C. 720° D. 360°
    Hint

  5.   Find the sum of the measures of the interior angles of this polygon.
   
    A. 360° B. 180°
    C. 540° D. 900°
    Hint