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  3. The MegaTek Corporation is displaying its distribution of employees by department in a circle graph. The size of each sector of

The MegaTek Corporation is displaying its distribution of employees by department in a circle graph. The size of each sector of

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问题 The MegaTek Corporation is displaying its distribution of employees by department in a circle graph. The size of each sector of the graph representing a department is proportional to the percentage of total employees in that department. If the section of the circle graph representing the manufacturing department takes up 72° of the circle, what percentage of MegaTek employees are in manufacturing?
选项 A、20%
B、25%
C、30%
D、35%
E、72%
答案A
解析 72° divided by 360° equals 0.2, therefore the sector is equal to 20% of the total.
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