1.   The land areas of the seven continents are shown. What percentage of the total world land area is Africa? Round to the nearest percent.
   
    A. 20% B. 21%
    C. 26% D. 22%
    Hint

  2.   The land areas of the seven continents are shown. What is the angle measure of the segment of a circle graph measuring South America's land area? Round to the nearest degree.
   
    A. 43° B. 42°
    C. 50° D. 49°
    Hint

  3.   Suppose you made a circle graph of the data listed in the table. Find the number of degrees for each section.
   
    A. June: 7°, July: 32°, Aug.: 230°, Sept.: 18°, Other: 72° B. June: 230°, July: 72°, Aug.: 32°, Sept.: 18°, Other: 7°
    C. June: 32°, July: 230°, Aug.: 72°, Sept.: 7°, Other: 18° D. June: 18°, July: 72°, Aug.: 230°, Sept.: 32°, Other: 7°
    Hint

  4.   The circle graph shows a survey of the most annoying distractions at the movies. Which statement correctly describes the graph?
   
    A. About one-half of the people said that cell-phone ringing and people getting up and down are the most annoying distractions. B. About one-quarter of the people said that crying babies are the most annoying distraction.
    C. The ‘’People talking’’ section is 44°. D. One hundred people took part in the survey.
    Hint

  5.   The circle graph shows how much Americans say they tip at restaurants. Use the graph to describe the opinion of most Americans.
   
    A. Most Americans tip up to 10%.
    B. Most Americans tip more than 16%.
    C. Most Americans tip between 11% and 15%.
    D. Most Americans tip between 11% and 20%.
    Hint



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