如图,△ABC中,∠C=90°,AC=8,BC=6,E,F分别在边AC,BC,若以EF为直径作圆经过AB上某点D,则EF长的取值范围为_____ .
![](https://img.xkw.com/dksih/QBM/2019/3/4/2154517758181376/2169056990896129/STEM/3fc9b4f18b7e4de78a0e6e8ef9ec2aed.png?resizew=139)
更新时间:2019-03-31 21:09:56
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【推荐1】如图,⊙O半径为4,在Rt△ABC中,
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【推荐2】如图,⊙O的直径AB垂直于弦CD,垂足为E,如果∠B=60°,AO=4,那么CD的长为_____ .
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【推荐1】如图,已知
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【推荐2】如图,以等腰
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