GRE考试

【单选题】

If the information in the table were converted to a pie chart, then the central angle of the sector for Lions would measure how many degreesA、144°

B、
B、108°
C、72°
D、54°
E、It cannot be determined from the given information.

网考网参考答案：C
网考网解析：
According to the information given in the table, 400 students voted for the name Lions. Therefore, 400 out of 2,000 students voted for Lions. First, calculate the percentage of the whole pie chart represented by Lions by setting up a proportion and solving for x, as follows: Cross-multiply and solve for x: 40,000=2,000x 20=x You now know that 20% of the students voted for Lions. Because there are 360° in a circle, find 20% of 360: 360×0.2=72 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>