补全解题过程:
如图,
,
,
为
的平分线,求
的度数.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/25/edf02071-08ff-4083-bcf0-ac18148e70cd.png?resizew=162)
解:∵
,
,
∴
________
,
∴
________
,
∵
为
的平分线,
∴
________
________![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
∴
________
________
.
如图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c211a24e544ded208ea0a2a2aa59bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcaf1f8c85954986131c3974c6a8b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/25/edf02071-08ff-4083-bcf0-ac18148e70cd.png?resizew=162)
解:∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c211a24e544ded208ea0a2a2aa59bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcaf1f8c85954986131c3974c6a8b2b.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e515787ebe97ed2662237d9ca51ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673242680fac83f3cf4361ce0db0ffc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254475f6852d4b12783b5f79401531b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15cfc7daab1011a59adf20a8907cf144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
更新时间:2024-02-25 16:24:17
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名校
【推荐1】已知:如图,
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(1)如图,若
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/16/e6636a87-e181-4806-a08c-60766d2fc529.png?resizew=136)
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(1)如图,若
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(2)如图,若
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【推荐2】如图,射线
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