如图1是小强在健身器材上进行仰卧起坐锻炼时的情景,图2是小强锻炼时上半身由
位置运动到与底面
垂直的
位置时的示意图,已知
米,
,则
、
两点的距离是________ 米.(精确到0.1米,参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac38986859815fb9d92c08ba6fa2be68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c96cb3ac8290e09c55d4eb336a8608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460317e7c26f95b9b29cfe1a89b796d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c894b7d6baa55c80c64e74748dad898.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/12/bd8ca11d-3cad-4d68-9b52-ec16e74d449e.png?resizew=293)
更新时间:2023-06-07 12:30:36
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【推荐1】如图,在平行四边形
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【推荐2】如图,点E是平行四边形ABCD边AB上一点,将△ADE沿DE翻折,点A的对应点F恰好落在∠ABC的角平分线BG上,若AB=6,AD=4,∠ABC=120°,则DG=___ ,BE=___ .
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【推荐2】如图所示,小区内有个圆形花坛O,点C在弦
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