如图,在
中,
平分
交边
于点D,若
,
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/564179d1-706b-4dd4-a789-c69d44a36eef.png?resizew=151)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7099026716ee1821dd7d9f157dc055f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14814fdc3ca8034bbd97cb76bed9c9d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/564179d1-706b-4dd4-a789-c69d44a36eef.png?resizew=151)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-03-15 22:30:58
|
【知识点】 与角平分线有关的三角形内角和问题解读
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图,CD、BD分别平分∠ACE、∠ABC,∠A=70°,则∠BDC=( )
![](https://img.xkw.com/dksih/QBM/2020/10/9/2567453362102272/2568506083762176/STEM/5572ec4b835d4108a891a015f6597b1e.png?resizew=204)
![](https://img.xkw.com/dksih/QBM/2020/10/9/2567453362102272/2568506083762176/STEM/5572ec4b835d4108a891a015f6597b1e.png?resizew=204)
A.35° | B.25° | C.70° | D.60° |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】如图,在
中,
,
是高,
是中线,
是角平分线,
交
于点G,交
于点H,现给出以下结论:①
;②
;③
;④
;其中结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d599ed70468036fb95b72012e510ed9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bb4979a169611e68842843c5342a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c5c265267457e5cbf17e4cb184160a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd3aaeb2d827259cd8412b3a8772fda.png)
A.4个 | B.3个 | C.2个 | D.1个 |
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