如图,已知
平分
,
,
,
,
分别是线段
,
上的点,连接
,
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d900531973c546625694146fa1509ab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93380ab8eccc6e6f11bdf19ffc2d4cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d96a5d40d0aea9f4398ca4d0fe9b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf857e03d4320c999d328fd657c2d412.png)
更新时间:2024-05-10 11:48:04
|
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解答题-证明题
|
适中
(0.65)
【推荐1】如图,
中,BC的垂直平分线与外角
的平分线交于点P,
于M,
于N.
![](https://img.xkw.com/dksih/QBM/2022/12/11/3128336669712384/3129348405665792/STEM/9b3e3438aba749f5a420e5aabef25ef2.png?resizew=173)
(1)求证:
;
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,
时,求BM和AM的长.
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(1)求证:
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(2)当
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解答题-作图题
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解答题-作图题
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适中
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【推荐2】已知:如图,在
中,
是
边上的高.
(1)尺规作图:①作
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(2)在(1)所作的图形中,若
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的面积.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cdc3488b9bac1a522bee34f26fd16f0.png)
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(1)尺规作图:①作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
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