如图,在等腰三角形
中,
,将其沿
折叠使点C与点D重合,延长
至点F,
至点E,
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323b786e35c9b762d00f2b2ef74ce1d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b5a11c7c9a63d6fa4c1ed739fe181e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-05-15 08:36:04
|
相似题推荐
单选题
|
较易
(0.85)
名校
【推荐1】如图,把一个长方形纸片对折两次,然后沿图中虚线剪下一个角,为了得到一个内角为100°的菱形,剪切线与折痕所成的角的大小等于( )
![](https://img.xkw.com/dksih/QBM/2022/3/24/2943296095813632/2946678485983232/STEM/d1cd06ff-bb3c-4008-99a4-38b60aa23d34.png?resizew=132)
![](https://img.xkw.com/dksih/QBM/2022/3/24/2943296095813632/2946678485983232/STEM/d1cd06ff-bb3c-4008-99a4-38b60aa23d34.png?resizew=132)
A.80° | B.60° | C.40° | D.20° |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】如图,在菱形
中,
,以点
为圆心,以
长为半径画弧,交对角线
于点
,再分别以点
、
为圆心,以大于
的长为半径画弧,两弧相交于点
,作射线
交
于点
,则
的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/096a0493572c6af43d928d3ccc0f129c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1acac248e2a60467837666eb0c910749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】下列命题的逆命题是真命题的是( )
A.矩形的四个角都相等 | B.对顶角相等 |
C.正方形的四个角都是直角 | D.菱形的对角线互相垂直 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,两张等宽的纸条交又重叠在一起,重叠的部分为四边形
,若测得
,
之间的距离为
,点
,
之间的距离为
,则线段
的长为( )
![](https://img.xkw.com/dksih/QBM/2020/6/22/2490335364186112/2492940390350848/STEM/750a270f-a5c9-46e2-9d4f-96f2009fd3df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba48323cd79d207715e82d1e5a7d5e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af62da2f87dfc02c63e7a1c0949f09d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2020/6/22/2490335364186112/2492940390350848/STEM/750a270f-a5c9-46e2-9d4f-96f2009fd3df.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,图1是长方形纸带,将纸带沿EF折叠成图2,再沿BF折叠成图3,若图3中∠CFE=120°,则图1中的∠DEF的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/10/4793ea7d-ed37-44fe-8912-45520d79e313.png?resizew=536)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/10/4793ea7d-ed37-44fe-8912-45520d79e313.png?resizew=536)
A.30° | B.20° | C.40° | D.15° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,将长方形纸片进行折叠,
为折痕,点
与点
、点
与点
、点
与点
重合.若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/06f79170-aef1-4d89-b7b8-e067e3ebbf25.jpg?resizew=147)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61650d5f21a4df351709aa8d9cba948a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96850a2df6f8a534be2593ad4c260f44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd1bc0388e7fad3e849ca39c67f5034.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/06f79170-aef1-4d89-b7b8-e067e3ebbf25.jpg?resizew=147)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次