如图,
四点在一条直线上,且
,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0520e82f4d1beefc6e210b088b580822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52273305805769a438772342b53c289e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c51f25dc30efb932164b77668ab833e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e7106619c08f2bcc1d21f846e8a0de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/19/811dfd5e-3205-4e8e-bc32-3e73c2b212bc.png?resizew=137)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-08-19 10:31:14
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【推荐1】若△ABC与△DEF全等,且∠A=50°,∠B=70°,则∠D的度数不可能是( )
A.80° | B.70° | C.60° | D.50° |
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【推荐2】已知,如图在等边
中,
是
的一点,
,下列结论不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0a4b3ef45e5797fb2f4e38763357ce8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐2】如图,△ABC≌△DEF,BE=4,AE=1,则DE的长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/30/a6bbbda0-c06b-46cc-bc49-e0b451beebee.png?resizew=122)
A.5 | B.4 | C.3 | D.2 |
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【推荐1】如图所示,在
中,已知
,
,若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deff2d667d0e0030afa961cee5762b7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb04cecda15f15130411851e4e41398d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/8/bdc671c1-c004-4a00-b8fa-755ea22ee389.png?resizew=156)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,在△ABC中,AB=AC,∠A=30°,AC的垂直平分线分别交AB,AC于D,E.连接CD,若CD=1cm,则BD的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/24/6551341d-7d6c-4dab-82f1-6745b7a1a48b.png?resizew=144)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/24/6551341d-7d6c-4dab-82f1-6745b7a1a48b.png?resizew=144)
A.1cm | B.(![]() | C.![]() | D.![]() |
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