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如图,以Rt△ABC的斜边BC为一边在△ABC的同侧作正方形BCEF,设正方形的...
如图,以Rt△ABC的斜边BC为一边在△ABC的同侧作正方形BCEF,设正方形的中心为O,连接AO,如果AB=4,AO=6
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230646687724632/SYS201310212306466877246009_ST/0.png)
,那么AC的长等于( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230646687724632/SYS201310212306466877246009_ST/images1.png)
A.12
B.16
C.4
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230646687724632/SYS201310212306466877246009_ST/1.png)
D.8
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021230646687724632/SYS201310212306466877246009_ST/2.png)
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