根据光学中平面镜光线反射原理,入射光线、反射光线与平面镜所夹的角相等.如图,
是两面互相平行的平面镜,一束光线m通过镜面
反射后的光线为n,再通过镜面
反射后的光线为k.光线m与镜面
的夹角的度数为
,光线n与光线k的夹角的度数为
.则x与y之间的数量关系是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/19/8ba5897a-b347-4df9-98ab-1b5f20077953.png?resizew=258)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474929dd8e89d9ce37448ae72b48d04f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909b8eb8e173e4afe5546ffd5a1e6f74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dddf34919b10124710ed2819d0349bf3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/19/8ba5897a-b347-4df9-98ab-1b5f20077953.png?resizew=258)
A.![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2024-03-19 17:11:59
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【知识点】 根据平行线的性质探究角的关系解读
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【推荐1】如图,
是
的平分线,
,以下有关结论不一定正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727ad3e630a224303d6d3b8ad5c114ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28971fe3e3f9d3849400e98b46fc3ba.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐2】将一直角三角板与两边平行的纸条如图所示放置,下列结论:(1)
;(2)
;(3)
;(4)
,其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e53497af8899cb299d762f1a4f46a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c3b421614b5ac16e271897e018c7be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640327058f2c3665af930fe0f5aeea5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e9af77ba220f7fbc983ba79dd40483.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/24/ce3272bb-93e0-454d-903a-a0c794d8918e.png?resizew=192)
A.0 | B.1 | C.2 | D.3 |
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