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(2000•绍兴)如图,梯形ABCD中,AD∥BC,∠ABC=Rt∠,对角线AC...
(2000•绍兴)如图,梯形ABCD中,AD∥BC,∠ABC=Rt∠,对角线AC⊥BD于P点.已知AD:BC=3:4,则BD:AC的值是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232717094955226/SYS201310212327170949552009_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232717094955226/SYS201310212327170949552009_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232717094955226/SYS201310212327170949552009_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232717094955226/SYS201310212327170949552009_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232717094955226/SYS201310212327170949552009_ST/3.png)
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