如图,AB是⊙O的直径,点C在圆上,点N是
ABC的内心(角平分线的交点),CN的延长线交圆于点D,BN的延长线交圆于点F,EF
AC,EF交BC的延长线于点E.
(1)证明:EF与⊙O相切;
(2)若EF=2,EC=1.
①求⊙O的半径;
②求CN•ND的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb31ef428bd9de9bc875b343feded3c7.png)
(1)证明:EF与⊙O相切;
(2)若EF=2,EC=1.
①求⊙O的半径;
②求CN•ND的值.
![](https://img.xkw.com/dksih/QBM/2021/8/22/2791484228886528/2794336268304384/STEM/f43b7812d20e4228bf8cf2a43fffb17b.png?resizew=158)
更新时间:2021-08-26 09:14:36
|
相似题推荐
解答题-证明题
|
困难
(0.15)
【推荐1】如图
,
为矩形
的对角线,
的平分线交
于点
,交
的延长线于点
,点
是线段
上的动点,以
为对角线作正方形
(点
,
,
,
按顺时针方向排列).
;
(2)已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337421403f59eb20bdc8b446691f8a18.png)
.
①如图
,若点
落在
边上,求
的值;
②在点
的运动过程中,是否存在某一位置,使得正方形
的某边落在
的一边上?若存在,求
的长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c261115291fef6dea26551dcf1bcba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a679040c4d556723e482bacbab41356d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13af018556f0b484ed38519f2edc791c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2435f83c82abf4364b535aeadf1a502e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e05be795838c8c466edc1834eda5bdb.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e2a96ad10f818c9a5ad7ef46a304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/337421403f59eb20bdc8b446691f8a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
①如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c0b95cba2060e4b07283a6b710ff8a.png)
②在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2435f83c82abf4364b535aeadf1a502e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fa2e940d7b4caaf9503490478b5ed0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d48943db264c08adaf6ae0766fd56459.png)
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【推荐2】如图,
中,
,
,
,点
为射线
上的动点,以
为边,在
的同侧作菱形
,使得
.若菱形
的边
经过线段
的中点
.
(1)将菱形
沿射线
向右平移,记平移中的菱形
菱形
,当点
与点
重合时停止平移.设平移的距离为
,是否存在这样的
,使△BDE是等腰三角形?若存在,求出
的值;若不存在,请说明理由.
(2)在(1)问的平移过程中,设菱形
与
重叠部分的面积为
,请直接写出
与
之间的函数关系式以及自变量
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa8cee7d2463f6f7d352e8b65f47cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b94b33e979c7696cf07859bfebcde48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f769d040ba926b022c56960e1b2677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dd4997da49b3dfe98144ad13aed0d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d7ad3d0bec4064d5484f71ed105cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)将菱形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aba2064ce4534d4318e3a1ddc5a1258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)在(1)问的平移过程中,设菱形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aba2064ce4534d4318e3a1ddc5a1258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/ba816067-1215-4750-bf40-f08efdad6360.png?resizew=123)
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【推荐1】如图,
内接于⊙O,OC=10. 过点C作
于点E,交⊙O于点D,延长AC和DB交于点F,连接AO、CO. CO与AB相交于点G,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/7/39b83b68-52b6-46a2-940b-bb75ad91bc65.png?resizew=140)
(1)求证:AB平分![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17e587b7fcc3f7ef52c0a542141daa2.png)
(2)已知
.
①求BD的长
②将圆心O绕着B旋转得到点P,
若点P恰好落在
的某边上,求OP的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b497ad3c0b731d682e3f475ba910ba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/7/39b83b68-52b6-46a2-940b-bb75ad91bc65.png?resizew=140)
(1)求证:AB平分
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17e587b7fcc3f7ef52c0a542141daa2.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f17ff7775ed97bfb3ebedde2e489e39.png)
①求BD的长
②将圆心O绕着B旋转得到点P,
若点P恰好落在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441dec590b47adc3678a291a3ec89a4a.png)
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解答题-作图题
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困难
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名校
解题方法
【推荐2】如图,一张半径为
的圆形纸片,点
为圆心,将该圆形纸片沿直线
折叠,直线
交
于
两点.
(1)若折叠后的圆弧恰好经过点
,利用直尺和圆规在图中作出满足条件的一条直线
(不写作法,保留作图痕迹),并求此时线段
的长度.
(2)已知
是
一点,
.
①若折叠后的圆弧经过点
,则线段
长度的取值范围是________.
②若折叠后的圆弧与直线
相切于点
,则线段
的长度为_________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976260cbf5e30856d4fd37a4b0a671a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/8/92d6c3b9-4d79-4027-ae23-2731b4f27363.png?resizew=254)
(1)若折叠后的圆弧恰好经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5518da069f954e0be18aeffe052c1c37.png)
①若折叠后的圆弧经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
②若折叠后的圆弧与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
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【推荐1】已知:
为
的直径,
为圆心,点
,
分别为圆上一点,且
,连接
交
于点
,连接
.
.
![](https://img.xkw.com/dksih/QBM/2023/2/8/3170263496187904/3297807742681088/STEM/6ca2989e751c446d88dabdaf2c4a2722.png?resizew=381)
(1)如图1,求证:
是
的切线;
(2)如图2,点
为
内部一点,连接
,
,若
时,求证:
;
(3)在(2)的条件下,若
,
的半径为10,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996b89406a816744a88614265ff4b26b.png)
![](https://img.xkw.com/dksih/QBM/2023/2/8/3170263496187904/3297807742681088/STEM/6ca2989e751c446d88dabdaf2c4a2722.png?resizew=381)
(1)如图1,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)如图2,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4cd68cc82e90a5e2049a7ea3171b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6655e2fa64a32cd12fe0279afd65d73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad3d793f7f940289d8613f2ab204626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a26ebb964cf4ccb8620ceb9610a94d5.png)
(3)在(2)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee03c566c0e7ce78d451053997eea8b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
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名校
【推荐2】如图,
为
的直径,弦
于点E,G为劣弧
上一动点,
与
的延长线交于点F,连接
.
.
(1)求证:
;
(2)若
求y与x的函数关系式;
(3)设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beed4dbeb0ae7de86dc73e53c079b065.png)
①求α与β的数量关系;
②当
且
时, 求x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db7ea03277f8408fabe5b327cc34838f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a693a27b7a67a82bc8baf09202e2baf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d52bdf2f63c8b62fd8dd6c218d88e7df.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/8/1db1e714-4d45-4c7f-b6f7-b042de9b46cd.png?resizew=146)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aab59ec81e7a8fd6d8623b5c0ea93a47.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800af3a498206d172975046acb537a06.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beed4dbeb0ae7de86dc73e53c079b065.png)
①求α与β的数量关系;
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75d2471a861a172a60347e6023b559dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c0f61b8515cb591baa7a7329d784a2.png)
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解题方法
【推荐1】如图,已知直线AB经过⊙O上的点C,并且OA=OB,CA=CB,
(1)求证:直线AB是⊙O的切线;
(2)OA,OB分别交⊙O于点D,E,AO的延长线交⊙O于点F,若AB=4AD,求sin∠CFE的值.
(1)求证:直线AB是⊙O的切线;
(2)OA,OB分别交⊙O于点D,E,AO的延长线交⊙O于点F,若AB=4AD,求sin∠CFE的值.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/16/b82cc13f-5f89-47d4-b81b-90eccdc17b19.png?resizew=368)
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解答题-证明题
|
困难
(0.15)
【推荐2】已知矩形
中,
,
,点E、F分别在线段
上,把
沿直线
翻折,点B落在点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2383efe99af19295baff7133b580bd69.png)
①如图1,连接
,射线
交
于点G,求证:点G在折痕
的垂直平分线上;
②如图2,连接
,若
是直角三角形,则
______;
③在点F运动变化过程中,试判断
能否平分矩形
的面积?若能,求出
的值;若不能,则说明理由;
(2)如图3,若
时,连接
、
,求四边形
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3355e2fa0ac6c675f02ee36c3ced4f2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9966839944bf4087bd18fede1d2d2c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2383efe99af19295baff7133b580bd69.png)
①如图1,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9954bea5893e3cb9bb5d80dda6893b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9954bea5893e3cb9bb5d80dda6893b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
②如图2,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e477724e91fad6273eb151496a6e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac22cf7330675726e3600b4aca5ab64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f79997547fb75e88ad1e2c66989a4a0.png)
③在点F运动变化过程中,试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
(2)如图3,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070bc896d35495237fd65576e9b6f88e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e477724e91fad6273eb151496a6e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59ac8c5700ce2de9a140c4adea742168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde97bb8ef72c300a3b6edf270d50e8.png)
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