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如图,AC、BC相交于点O,下列条件中能判定CD∥AB的是 ( ) A. B. ...
如图,AC、BC相交于点O,下列条件中能判定CD∥AB的是 ( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193659991353121/SYS201311011936599913531004_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193659991353121/SYS201311011936599913531004_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193659991353121/SYS201311011936599913531004_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193659991353121/SYS201311011936599913531004_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101193659991353121/SYS201311011936599913531004_ST/3.png)
考点分析:
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在Rt△ABC中,∠C=90°,AC=5,AB=13,那么tanA等于( )
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