如图,
是矩形
的对角线,分别以点
为圆心,以大于
的长为半径画弧,两弧交于点
,直线
交
于点
,交
于点
,若
,
,则线段
的长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c93148adbc6e856da9a9d263f485d003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b947acc328f9561e1d7b78f9bbed9263.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184d2391dbe4d7b00a5666fd4a2e2195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2020/9/12/2548298890125312/2550466107449344/STEM/f0d9bd9d4297480ebe50b0255abd7c84.png?resizew=156)
更新时间:2020-09-25 03:47:26
|
【知识点】 根据矩形的性质与判定求线段长
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较易
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【推荐1】如图,在
中,
为斜边
上一动点,
,
,若
,
,则线段
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
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【推荐2】如图,有一只摆钟,摆锤看作一个点,当摆锤静止时,它离底座的垂直高度
,当摆锤摆动到最高位置时,它离底座的垂直高度
,此时摆锤与静止位置时的水平距离
时,钟摆
的长度是_________
.
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