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. 22% B. 26%
    C. 21% D. 20%
    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. 42° B. 43°
    C. 49° D. 50°
    Hint

  3.   Suppose you made a circle graph of the inventions that teens can’t live without listed in the table. Find the number of degrees for each section.
   
    A. automobile: 112°, cell phone: 36°, microwave oven: 25°, PC: 58°, toothbrush: 122°, other: 7° B. automobile: 112°, cell phone: 7°, microwave oven: 122°, PC: 58°, toothbrush: 25°, other: 36°
    C. automobile: 25°, cell phone: 7°, microwave oven: 122°, PC: 112°, toothbrush: 36°, other: 58° D. automobile: 122°, cell phone: 7°, microwave oven: 58°, PC: 25°, toothbrush: 112°, other: 36°
    Hint

  4.   Which circle graph matches the data of inventions that teens can’t live without?
   
    A. B.
    C. D.
    Hint

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



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