在菱形ABCD中,
,
,则
边上的高为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71e6ea7333dbc78d0a7b9bc3892f940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
A.4 | B.![]() | C.![]() | D.10 |
更新时间:2024-05-10 08:44:20
|
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【推荐2】如图,正方形
中,点E为
边上的点(点E不与点C、D重合),以
为边作正方形
,连接
,设
,
,
,给出下面三个结论:
①
;
②
;
③
;上述结论中,所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b41d4070854edfaa24071137b314cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a2110034a1cf43218b1c54966547d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ff575e55857af133edb24c8e61504f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd64cfc4f355c60554b4f76c5ad17124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d361d15419cc290f186fa83f837db80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67fb7b5c5f584d366021163cb40e5b7f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71c0f34dfec4c71dcada4536d492bb3.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28af8acd6745c5bc5ed87b264f47b77f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1270ed2e7f465e4a90eb8bd0139d977.png)
A.①② | B.①③ | C.②③ | D.①②③ |
您最近一年使用:0次
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【推荐1】小明用四根长度相同的木条制作了如图1所示能够活动的菱形学具,并测得
,
,接着活动学具成为图2所示正方形,则图2中对角线AC的长为( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/11/c9151b29-5105-4fe3-95af-c2ad0dd9abc0.png?resizew=268)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32436704a722d5e568ff5c175bf3c662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafddfd80f69337909f6eac0f0dbfd59.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/11/c9151b29-5105-4fe3-95af-c2ad0dd9abc0.png?resizew=268)
A.6cm | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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【推荐2】如图,在菱形
中,连接
,若
,
,则菱形
的周长为( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f01c4faacedfe56f5127d6c0cc63cf.png)
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A.6 | B.8 | C.10 | D.12 |
您最近一年使用:0次