如图,将
沿
、
翻折,顶点
、
均落在点
处,且
与
重合于线段
,若
,则
的度数为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaee8f228ff24e7c89879bb5b999cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f541f7ae7c39082d202efd28805c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/215ef9e9dc4b897c4345f09bc7055549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/7/ead6c1a9-48eb-4d20-a892-e39c0d63aa4e.png?resizew=193)
更新时间:2023-01-06 08:27:23
|
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【推荐1】如图,
中,
,
,将
沿过C点的直线折叠,使A点落在边
上的E点处,折痕交边
于点D,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86bcfb91bf2911f80be6a2dcf42ae3aa.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d6286a4689ba0c3b3bdd9358855266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86bcfb91bf2911f80be6a2dcf42ae3aa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/bf135921-a864-4ed4-bba0-9ff9f7aa9839.png?resizew=179)
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【推荐2】如图,在Rt△ABC中,∠ACB=90°,点D在边AB上,将△CBD沿CD折叠,使点B恰好落在边AC上的点E处.若∠A=24°,则∠CDE=________ °.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/dd2e150a-083b-4daa-a37d-18e2b47058e1.png?resizew=180)
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【推荐1】当三角形的一个内角
是另一个内角
的3倍时,我们称此三角形为“特异三角形”,其中
称为“特异角”.若一个“特异三角形”为直角三角形,则这个“特异角”的度数为_______ .
![](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/5b5858ee1ce52b251816757257a11c29.png)
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【推荐2】如图,将
绕直角顶点C逆时针旋转,使得点B落在斜边
上的
处得
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f9707b01577e6faab15c09ac34cade.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b185184dc2dc3894a0313fd13f26a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8117b8e89b9aa4ed51fbaa8df8381c25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f9707b01577e6faab15c09ac34cade.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/24/75c682b4-c862-47c0-859b-d6d5e0238913.png?resizew=148)
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