如图,
,
是
的平分线,
和
互余,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a871e44f0e657b074205bcb7f0c02897.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/22210e04-0a4f-45ea-b1c7-cb097fe7a8eb.png?resizew=141)
2022七年级上·全国·专题练习 查看更多[2]
更新时间:2022-12-25 13:54:07
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相似题推荐
解答题-作图题
|
适中
(0.65)
名校
【推荐1】如图,AB
CD,连接AC,点E在上AC上,连接ED,EF平分∠AED.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/13/7f029d87-3978-4062-9a69-64e53eb9ad16.png?resizew=187)
(1)尺规作图:以点E为顶点、ED为一边在∠AED内作∠DEG,使它等于∠D;(保留作图痕迹,不写作法)
(2)在(1)的条件下,若∠A=30°,∠D=70°,求∠FEG的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/13/7f029d87-3978-4062-9a69-64e53eb9ad16.png?resizew=187)
(1)尺规作图:以点E为顶点、ED为一边在∠AED内作∠DEG,使它等于∠D;(保留作图痕迹,不写作法)
(2)在(1)的条件下,若∠A=30°,∠D=70°,求∠FEG的度数.
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解答题-证明题
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【推荐2】如图,已知点A,O,B在同一条直线上,
平分
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/74b91e5a-3053-46eb-a3c2-f47fdf810b6f.png?resizew=166)
(1)填空:与
互余的角有 ;
(2)若
,求
的度数;
(3)求证:
是
的平分线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95a92fcd0cd5e55f1d32d42504a5690.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/74b91e5a-3053-46eb-a3c2-f47fdf810b6f.png?resizew=166)
(1)填空:与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed66570f697459aba9daa2eaf9460bcb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cfa6bd79a7ab2ae654d5131ce6db34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe937215abae7cb21a0ef4cc8e52f21.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
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解答题-问答题
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适中
(0.65)
名校
【推荐1】如图,直线
上有一点
,
平分
,
是
内部的一条射线.
(1)在图中与
互补的角有___________;
(2)当
,则
的度数是___________;
(3)当
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
(1)在图中与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fde1f045ef94c7b13b8243acd8bc14a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9ec9a0b3a5aba39f61ac1ec5084a61.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27736c5e0ec3ff9116fb048880cfcdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cec66201c45f52165805507af8c20d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2460507a462453e084eaf70a7d867e9.png)
![](https://img.xkw.com/dksih/QBM/2021/9/9/2804607126970368/2805085109600256/STEM/f8fec24e-b62b-48c4-a8c1-1ba89f1310b9.png)
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解答题-问答题
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适中
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【推荐2】点
为直线
上一点,过点
作射线
,使
.将一直角三角板的直角顶点放在点
处.
(1)将三角板
按图1位置摆放,此时
是
的角平分线,求
的度数;
(2)将三角板
按图2位置摆放,此时
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a71bb53109aab57cf279b83839386d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/22/0963c4f9-250b-4779-96a2-b1bf703dc60b.png?resizew=384)
(1)将三角板
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1eb76f88cb973c220cffa1c9c0721a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2f7bab4ed36ec5d04db3aeed2796f2.png)
(2)将三角板
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1eb76f88cb973c220cffa1c9c0721a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae12c0bd87f76983be1e4c55bf4c96fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2f7bab4ed36ec5d04db3aeed2796f2.png)
您最近一年使用:0次