一次综合实践主题为:只用一张矩形纸条和刻度尺,测量一次性纸杯杯口的直径.小明同学所在的学习小组设计了如下方法:如图,将纸条拉直并紧贴杯口,纸条的上下边沿分别与杯口相交于A、B、C、D四点,然后利用刻度尺量得该纸条的宽为
,
,
.请你根据上述数据计算纸杯的直径是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d1b7aa6e3693af226ef7324c37534c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cee49e97546d466ba3ee630e08cdc3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdebe7f5b900204915a325279a2ab706.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2024·湖北·一模 查看更多[2]
更新时间:2024-05-25 15:48:30
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【推荐1】如图,点
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A.![]() | B.![]() | C.6 | D.![]() |
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【推荐2】如图,在正方形
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