1.   In the figure, °. Find
   
    A. 30° B. 45°
    C. 120° D. 90°
    Hint

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

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

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

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