单选题 What is the ratio of the perimeter of a pentagon with each side of length 6 to the perimeter of an octagon with each side of length 6?
【正确答案】 E
【答案解析】每条边长都等于6的五边形(pentagon)的周长与每条边长都等于6的八边形(octagon)周长的比率是多少?
能否解对本题的关键在于考生是否认得“pentagon”(五边形)和“octagon”(八边形)这两个词,由题意可得:
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