如图,
,请写出图中另外一组相等的角___________ (不再添加字母).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b692789c13d18e12a20fd899faccf3d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/26/cb26b83e-6840-44ea-bff1-a7d985ef4985.png?resizew=127)
更新时间:2024-04-04 23:45:58
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【知识点】 根据平行线判定与性质证明
相似题推荐
填空题
|
较易
(0.85)
名校
【推荐1】将一副三角板按如图放置,则下列结论:
①
;②如果
,则有
;③∠2+∠CAD=180°;④如果
,必有AB⊥ED.其中正确的有___________ .(填写序号)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50ce9ef89a466df68124a1dccff5663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615c891c931323fc44eae27d03cd0bce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cc39bd5f811ee710c8a9fb73d57791.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ca775b81195fffe5bcb3ae613e5f3d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/11/122d41ff-9332-4439-9793-7e216868a5df.png?resizew=301)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】推理填空:
如图,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
分别交
于G、N,
分别平分
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/31/ae5d8394-9670-454b-abe9-d4d0f2e1121e.png?resizew=163)
求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
.
证明:∵![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
(____________)
∴![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664e5dd2cf49343dc2c896dc97f41a0f.png)
∵
分别平分![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae078c16c7d6271c67a0aeee49c9e9a.png)
∴
,
(_______________)
∴![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1558c3c14f44a546c06636480772d825.png)
∴![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
(_____________)
如图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de32260ba2cb998f3ffb8449cdaf7708.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28d2790a97390935125aa897417f970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f017b061e06b2f6d09e3ff2d967d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b26dd7e8bd0532f07a8b856f496bf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90141185faab937aafd2a072944f697.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/31/ae5d8394-9670-454b-abe9-d4d0f2e1121e.png?resizew=163)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d567bdeba9b8e17d0911f594e141eed.png)
证明:∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664e5dd2cf49343dc2c896dc97f41a0f.png)
∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987a944b9967376eaf43d598bcdab4ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae078c16c7d6271c67a0aeee49c9e9a.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7465434513729bbbedaecd17ece97ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db6a0d001486350658ddddab956a0a36.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1558c3c14f44a546c06636480772d825.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42887d9bf31c1dd99f13c39e63c9ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d567bdeba9b8e17d0911f594e141eed.png)
您最近一年使用:0次