已知,CD是△ABC的高,且∠BCD=∠CAD,若CD=
,AC=
,则AB的长为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/985f75c624e091eca4809b1dd94f0530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfa908804b51e17e2982a6ef9f2317f.png)
更新时间:2018-06-14 09:46:30
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【推荐1】如图,在Rt
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【推荐2】如图,已知△ABC中,∠C=90°,AB=6,CD是斜边AB的中线.将△ABC绕点A旋转,点B、点C分别落在点B′、点C′处,且点B′在射线CD上,边AC'与射线CD交于点E.如果
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