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题目内容 (请给出正确答案)
单选题
If the ratio of the area of a sector to the area of the circle is 2:3. what is the ratio of the length of the arc in the sector to the circumference of the circle?
A

3/2

B

2/3

C

4/9

D

1/4

E

9/4


参考答案

参考解析
解析:
The ratio of sector area to circle area is proportional to the ratio of sector arc length to circumference.
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