如图,
中,E,F是对角线
上的两点,如果添加一个条件,使
,则添加的条件不能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26dba530ba1c15d3d3d5f90e0bf2810.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-04-11 13:08:18
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【推荐1】如图,
,添加下列一个条件后,不能使
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea9956b766cab9a005cd2ff88c6e423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7894c7a063cfbbc8bf41c30775a69b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/12/731df72e-fad4-4cd5-8b35-59de36848b07.png?resizew=157)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
【推荐2】如图,已知
,
,增加下列条件:①
;②
;③
;④
.其中能使
的条件有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59f9a4fe996045c2e1adb8caa06c1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ee81929c987732fcb379802eeef7a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a277db452e76240ec83ec6a2864bdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21bfc82e4e534f6261bfb83c40e93d04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beff025b32f688316009552d2fd8e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79de59390a7059cfdea1f42ce1ffac70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7894c7a063cfbbc8bf41c30775a69b.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐1】如图,
过平行四边形
对角线的交点
,交
于点
,交
于点
,则:
![](https://img.xkw.com/dksih/QBM/2023/1/5/3146247739449344/3148348152610816/STEM/38988c6e1bda4ae48294c453448905a5.png?resizew=209)
①
;
②图中共有6对全等三角形;
③若
,
,则
;
④
;
其中正确的结论有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2023/1/5/3146247739449344/3148348152610816/STEM/38988c6e1bda4ae48294c453448905a5.png?resizew=209)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf2e3236ea30ee2c37928b98041f13a.png)
②图中共有6对全等三角形;
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499863cfb1e85db9dd48551d9dc15985.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902e973ff3988d89a5058c42dfedf33c.png)
其中正确的结论有( )
A.①④ | B.①②④ | C.①③④ | D.①②③ |
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【推荐2】如图,要使平行四边形
为矩形,则可添加下列哪个条件( )
![](https://img.xkw.com/dksih/QBM/2023/3/3/3186624934191104/3189509512929280/STEM/e77f74746b0746c683e878479d34a8b8.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2023/3/3/3186624934191104/3189509512929280/STEM/e77f74746b0746c683e878479d34a8b8.png?resizew=142)
A.![]() | B.![]() | C.![]() | D.![]() |
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