如图,在△ABC中,∠ABC,∠ACB的平分线BE,CD相交于点F,
,则∠BFC的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/e3eb0e05-d9c9-44e8-9bb6-0c3dee0bffec.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66eb476f4597f4aab9ef9b107e7161bf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/2/e3eb0e05-d9c9-44e8-9bb6-0c3dee0bffec.png?resizew=142)
A.116° | B.117° | C.118° | D.119° |
更新时间:2022-09-28 00:04:41
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【知识点】 与角平分线有关的三角形内角和问题解读
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【推荐2】如图,在
ABC中,AB=AC, AD,CE分别是
ABC的中线和角平分线.若∠CAD=20°,则∠ACE的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/7/ba038bc6-db6e-4ad8-9ab6-80f119ad22bb.png?resizew=132)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/7/ba038bc6-db6e-4ad8-9ab6-80f119ad22bb.png?resizew=132)
A.35° | B.40° | C.55° | D.70° |
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