What is the approximate measure of the central angle representing Atkins dieters in 1995?

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问题

What is the approximate measure of the central angle representing Atkins dieters in 1995?

选项 A、9°
B、15°
C、32°
D、91°
E、324°

答案C

解析 The correct answer is C. According to the circle graph, Atkins dieters represent 9% of the total number of dieters in 1995. There are 360° in a circle, so the approximate measure of the central angle representing Atkins dieters in 1995 is 360(0.09)= 32.4, which rounds to 32.

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