如图,已知正方形ABCD,点E是边AB的中点,点O是线段AE上的一个动点(不与A、E重合),以O为圆心,OB为半径的圆与边AD相交于点M,过点M作⊙O的切线交DC于点N,连接OM、ON、BM、BN.记△MNO、△AOM、△DMN的面积分别为S1、S2、S3,则下列结论不一定成立的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/22/26cbbe37-2f92-4f8c-b8a6-3624dc7c6543.png?resizew=168)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/22/26cbbe37-2f92-4f8c-b8a6-3624dc7c6543.png?resizew=168)
A.S1>S2+S3 | B.△AOM∽△DMN | C.∠MBN=45° | D.MN=AM+CN |
更新时间:2019-01-30 18:14:09
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