在
中,
,
,
.回答下列问题:
(1)由勾股定理,易知
______.
(2)如图1,用尺规作图的方法作直线m交
边于P,则线段
与线段
满足的关系是______,线段
的长为______.
(3)如图2,用尺规作图的方法作射线n交
边于P,则线段
的长为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/21/d9a1c93b-680f-4e1c-ac45-a3ca8ec247cd.png?resizew=350)
(1)由勾股定理,易知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
(2)如图1,用尺规作图的方法作直线m交
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80672dda9430cb42b3136bcb1b67bbad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13af018556f0b484ed38519f2edc791c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d260c4df7b0dc180af6980d21f3371.png)
(3)如图2,用尺规作图的方法作射线n交
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d260c4df7b0dc180af6980d21f3371.png)
更新时间:2023-10-19 08:04:56
|
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解答题-作图题
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【推荐1】已知:
中,
.
的平分线交
于点
.(保留作图痕迹,不写作法)
(2)若
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f1844834ef0315a704d8e2fba77544.png)
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解答题-作图题
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名校
【推荐2】如图,已知
,请用尺规在
边上求作一点
,使得
.(保留作图痕迹,不写做法)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
名校
【推荐1】如图,在
中,
,
平分
,交
于点
,过点
作
于点
.
(1)求证:
≌
;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc1ba2766874730daaad7d3bb7a8ee4.png)
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(1)求证:
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dc2d2dd56fcc67698c45a6e0e48f80.png)
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解答题-作图题
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较易
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【推荐2】知:A、B为直线l上两点,请用尺规 完成以下作图(不写作法,保留作图痕迹);
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(2)作
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(1)任作一个
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e4d19bf237a6fca67e0d01a9ddb726.png)
(2)作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17f20c25bb16153b5f2d25062ed7a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1bffbca0c505a43f70bb2bd52f6a454.png)
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解答题-问答题
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较易
(0.85)
【推荐1】如图,点
为菱形
的对角线
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的交点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/27/0aa2e99e-cde4-4745-a07d-2f91da40bfb6.png?resizew=197)
(1)若
,
,求菱形
的周长;
(2)若
垂直且平分
,垂足为点
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的形状,并说明理由.
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(1)若
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(2)若
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您最近一年使用:0次
解答题-证明题
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较易
(0.85)
【推荐2】如图,
是
的直径,
切
于点A,点B是
上的一点,且
,
.
(1)求证:
是
的切线;
(2)若
的半径为2,求弦
及
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b15b82151bff7cc0238d2034a6129f0.png)
(1)求证:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
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您最近一年使用:0次