名校
1 . 如图,已知矩形
,
,
,
平面
,若在
上有两个点
满足
,则
的取值范围为( )
![](https://img.xkw.com/dksih/QBM/2020/12/28/2624092455829504/2626197519794176/STEM/4d3ea299-dc2a-4ccb-9c33-93e458183ff8.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e781a2489271bfd1597cba1bb6f5887.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a51f62c318219789a834d9616bd553f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://img.xkw.com/dksih/QBM/2020/12/28/2624092455829504/2626197519794176/STEM/4d3ea299-dc2a-4ccb-9c33-93e458183ff8.png?resizew=142)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知曲线
和曲线
(
为锐角),则
与
的位置关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187796700eb5500018a4e0f0a2ca4325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87679f7ba9c9cb20ce14ad52ae379c8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
A.相交 | B.相切 | C.相离 | D.以上情况均有可能 |
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3 . 设直三棱柱
的所有顶点都在同一个球面上,且球的表面积是
,
,
,则此直三棱柱的高.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8c8cfd6f5b2f47e34cb94169d154eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd8f940b796af67206b3f9dd410a407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
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解题方法
4 . 某几何体的三视图如图所示,其中主视图,左视图均是由三角形与半圆构成,俯视图由圆与内接三角形构成,则该几何体的体积为( )
![](https://img.xkw.com/dksih/QBM/2020/12/28/2623917076553728/2624446490771456/STEM/7bad4da4-dd06-49eb-a18c-65d920074e11.png)
![](https://img.xkw.com/dksih/QBM/2020/12/28/2623917076553728/2624446490771456/STEM/7bad4da4-dd06-49eb-a18c-65d920074e11.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 如图,在横放的四棱锥
中,底面
是正方形,
,且
直角三角形,其中
,连接
、
交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/f508a6e7-ee5a-4b9c-a628-680530554b5f.png?resizew=167)
(1)求证:
平面
;
(2)若二面角
的大小为
,且直线
与平面
所成的角为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c753cb1eb73fd8d136d00462970797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296e23403c5727f1c64175b46966306d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7bd60a2972e9dd5e3ba90d6b2639586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/f508a6e7-ee5a-4b9c-a628-680530554b5f.png?resizew=167)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5928c98b341b16d4b5a5b931d2929d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
(2)若二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b10f890a5f9bc9140286f8326398d16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
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6 . 若P,Q分别为直线
与
上任意一点,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895fa47a776962dd68b3ff39812cad9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6099447b39bf4013e66b43c694cd03b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82358b724051b032c7ec734a226ae84.png)
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解题方法
7 . 如图,在正方体
中,给出以下四个结论,则不正确的是( )
![](https://img.xkw.com/dksih/QBM/2020/12/28/2623917076553728/2624446490845184/STEM/78f1360c-68ea-4a3e-90b4-237fb87f42f8.png?resizew=227)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/2020/12/28/2623917076553728/2624446490845184/STEM/78f1360c-68ea-4a3e-90b4-237fb87f42f8.png?resizew=227)
A.正方体所有的棱与平面![]() |
B.正方体各个面与面![]() |
C.与直线![]() |
D.过点![]() ![]() |
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8 . 如图,在四棱锥
中,
平面
,
,四边形
是矩形,
为
中点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/e9cfdd57-5020-44a1-9611-c3452b6ca145.png?resizew=168)
(1)求线段
的长;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b610c9b9948d88eda8de0fb8d1cf972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3f843b83e62bab294988a7ea134a63.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/e9cfdd57-5020-44a1-9611-c3452b6ca145.png?resizew=168)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
您最近一年使用:0次
2020-12-14更新
|
149次组卷
|
2卷引用:安徽省池州市东至县2020-2021学年高三上学期12月大联考数学(文)试题
解题方法
9 . 如图,四棱锥
中,
平面
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2020/12/11/2611897931399168/2613941718147072/STEM/00479254-9d52-4738-bdd2-76069f8aac9b.png)
(1)证明:平面
平面
;
(2)
为
中点,平面
交
于
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b377f22aafd3742ad860f77abaacef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ac42991a70ba2e8a296871486a3e79.png)
![](https://img.xkw.com/dksih/QBM/2020/12/11/2611897931399168/2613941718147072/STEM/00479254-9d52-4738-bdd2-76069f8aac9b.png)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2246c0e92e8cc344f636ea8f8f9037e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f927842efffdc75ac41c9fd21184ce68.png)
您最近一年使用:0次
2020-12-14更新
|
137次组卷
|
2卷引用:安徽省池州市东至县2020-2021学年高三上学期12月大联考数学(文)试题
10 . 某几何体三视图如图,则该几何体的最长棱与最短棱长度之和为
![](https://img.xkw.com/dksih/QBM/2020/12/11/2611897931399168/2613941717557248/STEM/470d5e20-b2f4-4c87-903d-9c623d7b5d76.png)
![](https://img.xkw.com/dksih/QBM/2020/12/11/2611897931399168/2613941717557248/STEM/470d5e20-b2f4-4c87-903d-9c623d7b5d76.png)
A.![]() | B.5 |
C.![]() | D.![]() |
您最近一年使用:0次
2020-12-14更新
|
263次组卷
|
3卷引用:安徽省池州市东至县2020-2021学年高三上学期12月大联考数学(文)试题
安徽省池州市东至县2020-2021学年高三上学期12月大联考数学(文)试题安徽省全省名校实验班2020-2021学年高三上学期大联考文科数学试题(已下线)重难点 03 立体几何-2021年高考数学(文)【热点·重点·难点】专练