1 . 如图:点
是
的边
上的一点,按下列要求画图并回答问题.
点画
的垂线,交
于点
;
(2)过C点修一条到
最短的路
,画出图形,并说明理由 ;
(3)比较线段
,
,
的大小(请直接写出结论);
(4)请写出第(3)小题图中所有与
互余的角 (不增添其它字母)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)过C点修一条到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
(3)比较线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(4)请写出第(3)小题图中所有与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
您最近一年使用:0次
2 . 如图,点A、O、D在同一条直线,
,则图中互为余角的角有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/9/08236fd5-c69c-42dd-b86e-beeffde97eee.jpg?resizew=178)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc555fc96abd64541f576f6cd0b34cd9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/9/08236fd5-c69c-42dd-b86e-beeffde97eee.jpg?resizew=178)
A.2对 | B.5对 | C.6对 | D.7对 |
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3 . 已知
与
互余,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd66005da7b2dff722700167903b69a.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d8fd6c6c1deeeb45e15f639719e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15417741fba20d681ab4414b07339099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd168fe9615fdd28cd162f3b2538007.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd66005da7b2dff722700167903b69a.png)
您最近一年使用:0次
4 . 已知一个角的度数是
,则它的余角的度数是 ______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4b8e3f862f52bcf305d2a599a8e8af.png)
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5 .
角的余角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3ec68a9810c8b898cdbbb7a273b057.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 已知
,则
的余角是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf910850c626b31ed49de98ed45b5ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d8fd6c6c1deeeb45e15f639719e02.png)
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7 . 已知
,则
的余角等于_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d4207a077e207842cd3c3624574310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
您最近一年使用:0次
2024-03-06更新
|
36次组卷
|
2卷引用:贵州省黔南布依族苗族自治州2023-2024学年七年级上学期期末数学试题
8 . 如果
,那么它的余角等于______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17bdcff4cbff026029f27d0dc756a217.png)
您最近一年使用:0次
名校
9 . 若一个角是
,则它的余角是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fda90a63fe470bfacc70c6d082b6cab7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-05更新
|
80次组卷
|
2卷引用:广西壮族自治区南宁市兴宁区第三中学2023-2024学年七年级上学期12月月考数学试题
10 . 如图所示,
的大小可由量角器测得,则
的余角的大小为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/637dc9d4-682c-4e64-b822-7b95f6bd75d5.png?resizew=282)
A.60° | B.120° | C.30° | D.90° |
您最近一年使用:0次