名校
1 . 将一个母线长为
,底面半径为
的圆锥木头加工打磨成一个球状零件,则能制作的最大零件的表面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976260cbf5e30856d4fd37a4b0a671a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048b61a5fb5f420c6d7de88db5bc3aa5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-23更新
|
640次组卷
|
2卷引用:湖南省衡阳县三校联考2023-2024学年高二下学期4月月考数学试题
名校
解题方法
2 . 已知
,
,直线
:
,
:
,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0627868a3e4abafb8703ab9975dc392f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e8bf17e184121a82e50ea5af4181e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce08b357f11ef44c3e8207ac574422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f008cea432b68934066d32243ccf69bf.png)
A.2 | B.4 | C.8 | D.16 |
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2024-04-07更新
|
371次组卷
|
2卷引用:湖南省衡阳市衡阳县第一中学2023-2024学年高二下学期4月期中考试数学试题
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3 . 如图,已知
是圆
的弦,
为
的中点,且
在弦
上的射影为
,则
,该定理称为阿基米德折弦定理.在上述定理中,若已知
,
,点
在直线
下方,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,则过点
的圆的方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91ab9a7ef3ecc7ca88a7f2fe4abb688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ff808cf596294204a404d0a34f3e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db5080bbcf65607bfba31b7f560b323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d14cd46db17d64f86660b987402503a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ba793283da4a8942777027c49ac757.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a83dead62a34a5393d67ed69c23dd036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28e111bfa9ab7295f9689451da535ba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/33090614-0603-4f70-8713-dd47b8686c33.png?resizew=163)
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2024-02-14更新
|
130次组卷
|
2卷引用:湖南省衡阳市衡阳县2023-2024学年高二上学期1月期末考试数学试题
名校
解题方法
4 . 已知圆
:
,直线
:
.
(1)当
为何值时,直线
与圆
相交;
(2)当直线
与圆
相交于
、
两点,且
时,求直线
的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3553b724e4e5451788e53c6882eeb18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be584b5afdb49843b1da1eaeb49eaee1.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699fc9b7e879af4866aaa07848dfb423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2023-11-14更新
|
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|
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5 . 已知定点
,点P为圆
上的动点,点Q为直线
上的动点.当
取最小值时,设
的面积为S,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2518e7b8b5d030370382bd0bd8bff8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3d5c047ebc39c5f61a905d6ea3c237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d315e76ef77e44f33660672ecdd3ff08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0395e73daef47a616e30c07821863fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-03更新
|
589次组卷
|
6卷引用:湖南省衡阳市衡阳县第二中学2023-2024学年高二上学期期末达标测试数学试题(A卷)
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6 . 已知圆
和圆
的交点为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eccc2cc5512d2c4a2a1ff35cbf395314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e983a503b8f416f932da29524f46d552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.两圆的圆心距![]() |
B.直线![]() ![]() |
C.圆![]() ![]() ![]() ![]() |
D.圆![]() ![]() ![]() |
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2024-03-29更新
|
170次组卷
|
2卷引用:湖南省衡阳市衡阳县第一中学2023-2024学年高二下学期4月期中考试数学试题
名校
解题方法
7 . 设抛物线
与两坐标轴的交点分别记为M,N,G,曲线C是经过这三点的圆.
(1)求圆C的方程.
(2)过
作直线l与圆C相交于A,B两点,
(i)用坐标法证明:
是定值.
(ii)设
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81e6893063df9d4188f3b7002664097d.png)
(1)求圆C的方程.
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cc0f9aa168e43cc5759f017d69b498.png)
(i)用坐标法证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d66fd8b309fd440ce9bda78a579c9.png)
(ii)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be14af6ba191f83c422bd408900882b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2397b6e8a1a21509f164d7b4b3382821.png)
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2023-10-08更新
|
566次组卷
|
3卷引用:湖南省衡阳市衡阳县第二中学2023-2024学年高二上学期期中数学试题
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8 . 若关于x的方程
;在
上有实数根,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/502dc3ef8658b00f7febf15ed334b0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c925be255ca736a53b24d13ddede1a86.png)
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2023-10-08更新
|
448次组卷
|
2卷引用:湖南省衡阳市衡阳县第二中学2023-2024学年高二上学期期中数学试题
名校
解题方法
9 . 在平面直角坐标系
中,圆
(
为实数),点
,点
为圆
上的动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35de9b5870f8e9a296509684e77b2346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4e2987f282ea330ad439b2b37786af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4ff42adf89bc1c02f5e115d957ccb9.png)
A.若![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.圆![]() ![]() ![]() ![]() |
D.![]() ![]() |
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2023-10-05更新
|
648次组卷
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2卷引用:湖南省衡阳市衡阳县第二中学2023-2024学年高二上学期期中数学试题
10 . 体积为1的正方体其外接球的表面积为________ .
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