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. 26% B. 22%
    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 Antarctica's land area? Round to the nearest degree.
   
    A. 33° B. 35°
    C. 32° D. 34°
    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: 230°, July: 72°, Aug.: 32°, Sept.: 18°, Other: 7° B. June: 32°, July: 230°, Aug.: 72°, Sept.: 7°, Other: 18°
    C. June: 7°, July: 32°, Aug.: 230°, Sept.: 18°, Other: 72° D. June: 18°, July: 72°, Aug.: 230°, Sept.: 32°, Other: 7°
    Hint

  4.   Suppose you made a circle graph of the inventions that teens canít live without listed in the table. Find the number of degrees for each section.
   
    A. automobile: 112°, cell phone: 7°, microwave oven: 122°, PC: 58°, toothbrush: 25°, other: 36° B. automobile: 25°, cell phone: 7°, microwave oven: 122°, PC: 112°, toothbrush: 36°, other: 58°
    C. automobile: 112°, cell phone: 36°, microwave oven: 25°, PC: 58°, toothbrush: 122°, other: 7° D. automobile: 122°, cell phone: 7°, microwave oven: 58°, PC: 25°, toothbrush: 112°, other: 36°
    Hint

  5.   The circle graph shows how long American workers typically stay after work 3 to 5 days per week. Find the statement that best describes how long the average American worker stays after work.
   
    A. The American worker typically stays 2 to 3 extra hours after work.
    B. The American worker typically stays 3 to 4 extra hours after work.
    C. The American worker typically stays 4 or more extra hours after work.
    D. The American worker typically stays 1 to 2 extra hours after work.
    Hint



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