题型:单选题
难度:0.65
引用次数:347
题号:17561705
如图,在
中,
,
分别是边
,
上的点,将
沿
折叠;使点
落在点
处,若
,
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/9109ee6d-04a1-4d37-87f3-de1e6ceebdb1.png?resizew=134)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d0469336f71edd52dc9148c67db052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.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/19766bbdc2d23ae20e9f34530c3a1543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415c9b092140dbe72c1f83f102e741c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ab82137965f1176a2b5c862ce5b291.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/9109ee6d-04a1-4d37-87f3-de1e6ceebdb1.png?resizew=134)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2022-12-10 17:37:43
|
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【推荐2】如图,在△ABC中,BC>AB>AC.甲、乙两人想在BC上取一点P,使得∠APC=2∠ABC,其作法如下:
(甲)作AB的中垂线,交BC于P点,则P即为所求;
(乙)以B为圆心,AB长为半径画弧,交BC于P点,则P即为所求.
对于两人的作法,下列判断何者正确?( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/f5a82ed9-6fc1-49ae-af8a-34d73b32dd62.jpg?resizew=164)
(甲)作AB的中垂线,交BC于P点,则P即为所求;
(乙)以B为圆心,AB长为半径画弧,交BC于P点,则P即为所求.
对于两人的作法,下列判断何者正确?( )
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A.两人皆正确 | B.两人皆错误 | C.甲正确,乙错误 | D.甲错误,乙正确 |
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【推荐1】如图,将一张三角形纸片
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名校
【推荐2】如图,
、
是
边
、
上的点,
沿
翻折后得到
,
沿
翻折后得到
,且点
在
边上,
沿
翻折后得到
,且点
在边
上,若
,则
( )
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【推荐2】已知,如图,在
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,
上的点,且
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的形状是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/11/c71c77a7-03d6-47c3-8f34-867eaf7360bb.png?resizew=173)
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A.等腰三角形 | B.等腰直角三角形 | C.直角三角形 | D.无法判断 |
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【推荐1】下列给出四个命题:
(1)面积相等的两个三角形是全等三角形
(2)三个内角对应相等的两个三角形是全等三角形
(3)全等三角形的周长一定相等
(4)全等三角形对应边上的高相等
正确的个数有( )
(1)面积相等的两个三角形是全等三角形
(2)三个内角对应相等的两个三角形是全等三角形
(3)全等三角形的周长一定相等
(4)全等三角形对应边上的高相等
正确的个数有( )
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