如图,直线AB,CD相交于点O,射线OE把
分成两部分.
![](https://img.xkw.com/dksih/QBM/2022/2/21/2921171006627840/2924635990179840/STEM/d8575d9f-a1d2-4258-9c4f-35f81286439c.png?resizew=176)
(1)写出图中
的对顶角___________,
的补角是___________.
(2)已知
,且
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://img.xkw.com/dksih/QBM/2022/2/21/2921171006627840/2924635990179840/STEM/d8575d9f-a1d2-4258-9c4f-35f81286439c.png?resizew=176)
(1)写出图中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418ebb89d29f4f631b055c911e8d178a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a94a3697e5685193cd3f68cd7964373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bc87fad12275d629ebb30d0c2970a2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbee6d5731d6f4bb1e4f2ba3d89b7dc.png)
21-22七年级上·江苏宿迁·期末 查看更多[2]
更新时间:2022-02-26 11:30:03
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解答题-问答题
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【推荐1】任意画两条相交的直线,在形成的四个角中,两两相配共能组成几对角?各对角存在怎样的位置关系?根据这种位置关系将它们分类.
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【推荐2】如图,直线
相交于点O.
(1)写出
的邻补角.
(2)写出
的对顶角.
(3)如果
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c30ac5adb0b9c4419d61b68b72dbd8d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/9/97578374-fe33-4ab3-8df4-4388520d9534.jpg?resizew=158)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed4e2d3ce6ff2f9ba27489a510496c6.png)
(2)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730b4125e88ec4040d535b73087fbdfe.png)
(3)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2162b60d0687b6dd917c8e9ea7311f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4973810807b0e1d7f337c3334747acc0.png)
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【推荐1】如图
,
,
,
,延长
和
交于点O.
的邻补角是______;
(2)求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabd5ad58dd8d85ad8e30111e76e2066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2030b5dba98130cd9bd0e68f5a668e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dc2d2dd56fcc67698c45a6e0e48f80.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcabb6fa6da15ec93209d21671b7055a.png)
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解答题-作图题
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【推荐2】如图,已知
是
的一边
上的点,按要求作图:
(1)过
作
的垂线
(2)作
的一个补角
;
(3)作(2)中
的平分线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59bafaec1cbb31d644a0df6bbd4fe4f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/34b9e21b-8846-4d11-941e-81693757d09f.png?resizew=158)
(1)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e800c6fa5152f2d250adf572550a1ca.png)
(3)作(2)中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e800c6fa5152f2d250adf572550a1ca.png)
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【推荐1】如图,直线AB、CD相交于点O,∠AOC=70°,OE把∠BOD分成两部分,且∠BOE:∠EOD=2:3,求∠AOE的度数.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/31/b1826177-f1ba-4979-91b6-d0bf067bd2e5.png?resizew=167)
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【推荐2】如图,直线
与
相交于点O,
与其邻补角大小之比是
.
(1)求
大小;
(2)若
,
平分
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f35908ce055429163070f6f330ff06.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/31/db0e6594-f2cd-41b7-b5d2-f1e45a7bf83d.png?resizew=184)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4a26b9ab8f36629aee288b6a0fc77c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
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