如图,在
中,
,
,
平分
交
于点D,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/2022/3/21/2940930066300928/2941945779781632/STEM/ea6c4f7f-b03e-4d42-a0c8-724b73482c88.png?resizew=225)
![](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/ee54b9b398ce80cd054b56173fe810f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d16fab0f52c8af5abba0bf19a06ea0.png)
![](https://img.xkw.com/dksih/QBM/2022/3/21/2940930066300928/2941945779781632/STEM/ea6c4f7f-b03e-4d42-a0c8-724b73482c88.png?resizew=225)
A.![]() | B.![]() | C.![]() | D.![]() |
21-22八年级上·海南省直辖县级单位·期末 查看更多[3]
更新时间:2022-03-22 22:26:55
|
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单选题
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适中
(0.65)
【推荐1】如图,在
中,
,
,
,则下列结论:①
;②
平分
;③
;④
.其中正确的结论个数是( )
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0d3e0ae605bd0e18af759747676cafc.png)
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A.1个 | B.2个 | C.3个 | D.4个 |
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【推荐2】如图,在
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,
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/47491a2a-6d42-486a-b66b-043dcf8ae5b3.png?resizew=190)
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A.![]() | B.![]() | C.![]() | D.![]() |
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适中
(0.65)
【推荐1】如图,在
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.以A为圆心,任意长为半径画弧,分别交
于点E,F,分别以E,F为圆心,以大于
长为半径画弧,两圆弧交于G点,作射线
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【推荐2】如图,BD为圆O的直径,直线ED为圆O的切线,A、C两点在圆上,AC平分∠BAD且交BD于F点.若∠ADE=19°,则∠AFB的度数为何?( )
![](https://img.xkw.com/dksih/QBM/2019/3/2/2151435811004416/2152367692931073/STEM/749dbbeaf94240d08c3d4dcdd615922c.png?resizew=135)
![](https://img.xkw.com/dksih/QBM/2019/3/2/2151435811004416/2152367692931073/STEM/749dbbeaf94240d08c3d4dcdd615922c.png?resizew=135)
A.97° | B.104° | C.116° | D.142° |
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名校
【推荐1】如图,在△ABC中,∠ACB=90°,∠A=20°,将△ABC绕点C按逆时针方向旋转角α到△A′B′C的位置,其中A′、B′分别是A、B的对应点,B在A′B′上,CA′交AB于D,则∠ACD的度数为( )
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【推荐2】如图,正方形ABCD的两条对角线AC,BD相交于点O,点E在BD上,且BE=CD,则∠BEC的度数为( )
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A.22.5° | B.60° | C.67.5° | D.75° |
您最近一年使用:0次