图1是一张菱形纸片
,点
是边
上的点.将该菱形纸片沿
折叠得到图2,
的对应边
恰好落在直线
上.已知
,则四边形
的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e737bc35da650eda3825d29799b5f86f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2615b37c8c897eeb9654137bb5439d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f66bffe6c132541f63f3b67390b407.png)
A.24 | B.21 | C.15 | D.12 |
2024·山西太原·一模 查看更多[2]
更新时间:2024-05-06 22:39:41
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,在
中,
,
,以点A为圆心,以
的长为半径作弧交
于点D,连接
,再分别以点B,D为圆心,大于
的长为半径作弧,两弧交于点P,作射线
交
于点E,连接
,则下列结论:①
平分
;②
是等边三角形;③
垂直平分线段
;④
是等腰三角形,其中正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/e616e36b-eb80-493f-8925-3f368f177355.png?resizew=144)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e744f480e11f588570c5d6738799f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81613520ab5a478f0b2616a9bcb79d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/e616e36b-eb80-493f-8925-3f368f177355.png?resizew=144)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如果菱形的边长是a,一个内角是60度,那么菱形较短的对角线长等于( )
A.![]() | B.![]() | C.a | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,在平行四边形
D中,CD=2AD,BE垂直AD于点E,F为DC的中点,连接EF,BF,下列结论(1)
;(2)
;(3)
四边形DEBC
三角形EFB;(4)
, 其中正确结论的个数共有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/18/8916637e-6ed9-4cba-98d6-19c82f788a87.png?resizew=178)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd831cbde1b7aa112db17664326e53bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9982a428ec55af6aa1366a39c44d609.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557bf1e163c14f26df013d8a45a944a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a41c1539e4c14395ef88579d855ea7a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/18/8916637e-6ed9-4cba-98d6-19c82f788a87.png?resizew=178)
A.![]() | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,在平面直角坐标系xOy中,点A的坐标是
,点B是函数
图象上的一个动点,过点B作BC⊥y轴交函数
的图象于点C,点D在x轴上(D在A的左侧),且AD=BC,连接AB,CD.有如下四个结论:
①四边形ABCD可能是菱形;
②四边形ABCD可能是正方形;
③四边形ABCD的周长是定值;
④四边形ABCD的面积是定值.
所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2385884978fefcfd46ec027d0822e472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f677dbb874b8286dde3f608ae85a9e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f229929a0a2511b31e1764acf227512.png)
①四边形ABCD可能是菱形;
②四边形ABCD可能是正方形;
③四边形ABCD的周长是定值;
④四边形ABCD的面积是定值.
所有正确结论的序号是( )
A.①② | B.③④ | C.①③ | D.①④ |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,
经过菱形
的顶点A,B,C,顶点D在
内,延长
,
与
分别交于点E,F,连接
,
,下列结论:①
;②
;③
,其中正确的结论是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/f0917460-9475-4435-9822-91b566230c5d.png?resizew=124)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d96a5d40d0aea9f4398ca4d0fe9b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55943d9a7f9ec3f17234b8ee5cb802e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0356dca9e70a1d0b17b8646906739db8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/f0917460-9475-4435-9822-91b566230c5d.png?resizew=124)
A.①② | B.①③ | C.②③ | D.①②③ |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,在菱形ABCD中,对角线AC、BD相交于点O,延长CB至E使BE=CD,连接AE,下列结论①AE=2OD;②∠EAC=90°;③四边形ADBE为菱形;④S四边形AEBO=
S菱形ABCD中,正确的结论个数有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/f41fe0b4-36ac-45c2-9db1-0f82dd32dbe2.png?resizew=131)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/7/f41fe0b4-36ac-45c2-9db1-0f82dd32dbe2.png?resizew=131)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,已知长方形纸片
,点E,F在
边上,点G,H在
边上,分别沿
,
折叠,使点D和点A都落在点M处,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd39d96d8e5e929cd9b85245a752fbe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b89403a4db68423b83136d2cbff6225.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图,矩形ABCO,点A、C在坐标轴上,点B的坐标为
.将△ABC沿AC翻折,得到△ADC,则点D的坐标是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/14/2908a600-969f-41f3-a84a-e34ba8207032.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ca651bfc89628a3b05c6e87ce5d6f0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/14/2908a600-969f-41f3-a84a-e34ba8207032.png?resizew=156)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次