1 . 如图,点
为
中点,分别延长
到点
到点
,使
.以点
为圆心,分别以
为半径在
上方作两个半圆.点
为小半圆上任一点(不与点
重合),连接
并延长交大半圆于点
,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/1ddf5ce2-4468-4d8c-b5ec-b71201674b43.png?resizew=390)
(1)①求证:
;
②写出
和
三者间的数量关系,并说明理由.
(2)若
,当
最大时,直接指出
与小半圆的位置关系,并求此时
(答案保留
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fa48616f1944739471d03422859b8e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cbad6599796efc1c177ae9349feda9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8044faecc4d5a611814a7f1e64dbf8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6f0cb663c82fc5de837fa273f983ce8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/1ddf5ce2-4468-4d8c-b5ec-b71201674b43.png?resizew=390)
(1)①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb0368d6e9824a085e5b41c2da993d7.png)
②写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497b955fd8c7d39a388ed329624d9bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b6aed6102edbc4138df13cba9c264b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/637f7d8b87adc59c9b06b09803a06553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
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2 . 已知:如图,一次函数的图象与反比例函数的图象交于
两点,与
轴正半轴交于点
,与
轴负半轴交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/69df1a9f-7667-4af0-a9bf-563fe150edb7.png?resizew=176)
(1)求反比例函数的解析式;
(2)当
时,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c25b1fd10831f3aed13a862aa93e24.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/69df1a9f-7667-4af0-a9bf-563fe150edb7.png?resizew=176)
(1)求反比例函数的解析式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc27da9d3158ea1caeaac45618a09b2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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3 . 如图,在四边形
中,
,我们把这种两组邻边分别相等的四边形叫做“筝形”.筝形
的对角线
相交于点
.以点
为圆心,
长为半径画弧,分别交
于点
.若
,
,则
的长为__________ (结果保留
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/678cf1eea493d33857de011fb4b7dade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3c032441543354c154ee67d744abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/875de97563ac22a52ccd3d76f842d1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e124a392dc84fcc1662fe6d896aa12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/634311ed-8cac-4f26-8e47-fcbfb5b9a8cb.png?resizew=128)
您最近一年使用:0次
4 . 已知数列
,则“
为等比数列”是“
”的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737c1047a14cee12a6671383e244fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737c1047a14cee12a6671383e244fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c806230d8521955101a44288a66bc265.png)
A.充分必要条件 | B.充分不必要条件 |
C.必要不充分条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2010·湖北·一模
5 . 如图,半径为1的圆M切直线AB于点O,射线OC从OA出发绕着O点顺时针方向旋转到OB,旋转过程中OC交
于点P,记
为x,弓形ONP的面积
,那么
的大致图象是
![](https://img.xkw.com/dksih/QBM/2019/5/17/2205529425354752/2205677937090560/STEM/711aea5a60994c5188e073db900991c6.png?resizew=113)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca519cb0a12ed5a2725c2ef20fc73ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3105bd82be20cc7540d68aa81fb0cb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/2019/5/17/2205529425354752/2205677937090560/STEM/711aea5a60994c5188e073db900991c6.png?resizew=113)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2014-02-27更新
|
614次组卷
|
5卷引用:北京市玉渊潭中学2017-2018学年高一第二学期开学考试卷
北京市玉渊潭中学2017-2018学年高一第二学期开学考试卷(已下线)湖北襄樊四中2010年五月高考适应性考试数学试卷(理科)(已下线)2010年广东省佛山市普通高中高一教学质量检测数学卷(已下线)2014届江西师大附中,临川一中高三期末联考文科数学试卷步步高高一数学暑假作业:作业21 三角函数模型的简单应用