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(2001•天津)如图,已知△ABC为等腰直角三角形,D为斜边BC的中点,经过点...
(2001•天津)如图,已知△ABC为等腰直角三角形,D为斜边BC的中点,经过点A、D的⊙O与边AB、AC、BC分别相交于点E、F、M.对于如下五个结论:①∠FMC=45°;②AE+AF=AB;③
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232648433762177/SYS201310212326484337621011_ST/0.png)
;④2BM
2=BE•BA;⑤四边形AEMF为矩形.其中正确结论的个数是( )
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A.2个
B.3个
C.4个
D.5个
考点分析:
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