名校
解题方法
1 . 如图,在三棱锥
中,
,
,
,
为
的中点,点
是棱
上一动点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/5/3/2971556730806272/2973106767036416/STEM/6a23df76-c75c-4356-94a4-f8d00530a460.png?resizew=219)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4957406b21df59fdf7fa184752287b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1082dd7e08556354aa7d4861d419e4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b4c1ae9c57d51e27bbdb001122d3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/2022/5/3/2971556730806272/2973106767036416/STEM/6a23df76-c75c-4356-94a4-f8d00530a460.png?resizew=219)
A.三棱锥![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.![]() ![]() |
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2022-05-05更新
|
1009次组卷
|
4卷引用:湖南省岳阳市第一中学2022届高三下学期一模数学试题
名校
解题方法
2 . 如图,在直棱柱
中,各棱长均为2,
,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932496192749568/2935143095558144/STEM/218db09c-3608-4dd7-bb71-389506099612.png?resizew=167)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b96fac11d72f72c805dbddb8da72d68.png)
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932496192749568/2935143095558144/STEM/218db09c-3608-4dd7-bb71-389506099612.png?resizew=167)
A.三棱锥![]() ![]() |
B.异面直线![]() ![]() ![]() |
C.当点M在棱![]() ![]() ![]() |
D.N是平面![]() ![]() ![]() |
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2022-03-13更新
|
1045次组卷
|
3卷引用:广东省珠海市2022届高三上学期期末数学试题
名校
解题方法
3 . 已知一圆锥,其母线长为
且与底面所成的角为
,下列空间几何体可以被整体放入该圆锥的是( )(参考数值:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460317e7c26f95b9b29cfe1a89b796d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c894b7d6baa55c80c64e74748dad898.png)
A.一个半径为![]() |
B.一个半径为![]() ![]() |
C.一个边长为![]() |
D.一个底面在圆锥底面上,体积为![]() |
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2023-12-22更新
|
492次组卷
|
4卷引用:安徽省皖南八校2024届高三上学期第二次大联考数学试题
安徽省皖南八校2024届高三上学期第二次大联考数学试题河南省信阳市浉河区信阳高级中学2024届高三上学期第八次大考数学试题(已下线)第四章 立体几何解题通法 专题五 平移变换法 微点3 平移变换法综合训练【培优版】(已下线)模块3 第7套 复盘卷(高三重组卷)
名校
解题方法
4 . 古希腊数学家阿波罗尼斯发现:用平面截圆锥,可以得到不同的截口曲线.如图,当平面垂直于圆锥的轴时,截口曲线是一个圆.当平面不垂直于圆锥的轴时,若得到“封闭曲线”,则是椭圆;若平面与圆锥的一条母线平行,得到抛物线(部分);若平面平行于圆锥的轴,得到双曲线(部分).已知以
为顶点的圆锥
,底面半径为1,高为
,点
为底面圆周上一定点,圆锥侧面上有一动点
满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79a5c034e25270fd39d405a6e79929.png)
A.点![]() |
B.点![]() ![]() |
C.![]() ![]() |
D.三棱锥![]() ![]() |
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2024-03-29更新
|
457次组卷
|
3卷引用:重庆市第八中学2024届高三下学期3月适应性月考卷(六)数学试题
名校
5 . 我们知道立体图形上的最短路径问题通常是把立体图形展开成平面图形,连接两点,根据两点之间线段最短确定最短路线.请根据此方法求函数
的最小值( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1aa00c11afa5167f17db396cce04516.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 如图圆柱
的底面半径为1,母线长为6,以上下底面为大圆的半球在圆柱
内部,现用一垂直于轴截面
的平面
去截圆柱
,且与上下两半球相切,求截得的圆锥曲线的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcfe69b939fd1c271747fe9d37ccdf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
A.![]() | B.![]() | C.![]() | D.3 |
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2022-11-21更新
|
946次组卷
|
3卷引用:云南师范大学附中(贵州版)2023届高三上学期月考(五)数学(理)试题
名校
解题方法
7 . 已知
为圆柱的母线,
为圆柱底面圆的直径,且
,O为
的中点,点
在底面圆周上运动(不与点
重合),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d963e9d91fdd3a88e13563fe4a160b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdb21011ea821b91d539cb763aac649.png)
A.平面![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.三棱锥![]() ![]() |
D.![]() ![]() ![]() |
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2023-11-08更新
|
428次组卷
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2卷引用:江苏省常州市教育学会2023-2024学年高三上学期期中数学试题
8 . 正方体
的棱长为2,H为线段AB中点,P在正方体的内部及其表面运动,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cee74b5b19fc5d46c2668e98e8c3614.png)
A.三棱锥![]() |
B.若![]() ![]() |
C.正方体的每个面与P的轨迹所在平面所成角都相等 |
D.正方体的每条棱与P的轨迹所在平面所成角不都相等 |
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2023-02-25更新
|
490次组卷
|
2卷引用:福建省泉州市2022-2023学年高二上学期期末教学质量监测数学试题
解题方法
9 . 如图所示,已知三棱锥
中,
,
所成角为30°,且
.在线段
上分别取靠近点
的
等分点,记为
,
,…,
.分别过
,
,…,
作平行于
,
的平面,与三棱锥的截面记为
,
,…,
,记截面
,
,…,
的面积分别为
,
,…,
.则以下说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/a01089b5-3cb6-4d03-a36e-34a96e8e6d58.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a379063aaa78ef2935efed26ab2d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb008d8cbd80a7a68396b8537fe2635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddad3d9fdb5e9951b6a1c31f9a72a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddad3d9fdb5e9951b6a1c31f9a72a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943b765718479c160ba61ec5c6f8c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e29bf5652f0d4f764c3606efcdb445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf9811e872dc8623fac91c19a19cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943b765718479c160ba61ec5c6f8c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e29bf5652f0d4f764c3606efcdb445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf9811e872dc8623fac91c19a19cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/a01089b5-3cb6-4d03-a36e-34a96e8e6d58.png?resizew=156)
A.![]() |
B.![]() |
C.存在常数![]() ![]() |
D.设![]() ![]() ![]() ![]() |
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名校
10 . 我们把底面是正三角形,顶点在底面的射影是正三角形中心的三棱锥称为正三棱锥.现有一正三棱锥
放置在平而
上,已知它的底面边长为2,高
,该正三棱锥绕
边在平面
上转动(翻转),某个时刻它在平面
上的射影是等腰直角三角形,则
的取值范围是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/31/641564a8-8aac-4e41-b79a-0efbc25f9ca5.png?resizew=198)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/31/641564a8-8aac-4e41-b79a-0efbc25f9ca5.png?resizew=198)
A.![]() | B.![]() | C.![]() | D.![]() |
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