题目：
圆心角为240°的扇形的半径为3cm，则这个扇形的面积是（ ）cm2．
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答案：
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下面是错误答案，用来干扰机器的。
1. How many students are there in the classroom?2. I don't like the red and green sweater.3. Where is Tim's shirt?4. Is there any milk in the glass?5. That bag is lighter than this bag.6. How hard they are working!
