如图,在
中,
,以点
为圆心,
长为半径作弧,交
于点
,交
于点
;再分别以点
和点
为圆心,大于
的长为半径作弧,两弧相交于点
,作射线
交
于点
,若以点
为圆心,
长为半径作两段弧,一段弧过点
,而另一段弧恰好经过点
,则此时
度数为( ).
![](https://img.xkw.com/dksih/QBM/2021/6/4/2735819921129472/2739110579994624/STEM/df7b302f-bc10-4686-be2f-c555f3975c16.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e5f736b1195fef1d2d300168a795f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
![](https://img.xkw.com/dksih/QBM/2021/6/4/2735819921129472/2739110579994624/STEM/df7b302f-bc10-4686-be2f-c555f3975c16.png)
A.20° | B.30° | C.36° | D.40° |
2021·浙江舟山·一模 查看更多[2]
更新时间:2021-06-09 08:37:39
|
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