名校
1 . 如图所示,长方体
,底面是边长为
的正方形,
,
为
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/28acb347-8537-4a35-8346-39005271ee50.png?resizew=187)
(1)求四棱锥
的体积;
(2)若点
在正方形
内(包括边界),且三棱锥
体积是四棱锥
体积的
,请指出满足要求的点
的轨迹,并在图中画出轨迹图形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a0c3a4e61b97fa9bc58f3179fc2958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df77cc6f8b81245d2699132b6d9f3ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/28acb347-8537-4a35-8346-39005271ee50.png?resizew=187)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5ba482836565abad208665cf7b9972.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd3b6cf2e17d221c8aaeb70e81ef48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e5ba482836565abad208665cf7b9972.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca8b26c3ad6d892590290a2304126bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2 . 平面
的斜线与平面
所成的角是
,则与平面
内所有不过斜足的直线所成的角
的范围是
![](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/052e6bb57f7a823b0896680c32c5fa18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:2016届上海市奉贤区高三4月调研测试(二模)(文)数学试题
2016届上海市奉贤区高三4月调研测试(二模)(文)数学试题2016届上海市奉贤区高三4月调研测试(二模)(理)数学试题2016届上海市奉贤区高考二模(理科)数学试题(已下线)课时41 空间直线与平面的位置关系-2022年高考数学一轮复习小题多维练(上海专用)
3 . 如图,圆锥形容器的高为
,圆锥内水面的高为
,且
,若将圆锥倒置,水面高为
,则
等于________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b53eab97158937f92039c1e133b0f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9b118a3244537fc9fa420170f2b3821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f285174fbf90a9742de57c1e53224cff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a3168415597d606993f281b0bad811.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/1/8a551344-81cf-40fb-a4f4-c9249b421fb2.png?resizew=228)
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名校
4 . 如图,小凳凳面为圆形,凳脚为三根细钢管.考虑到钢管的受力等因素,设计的小凳应满足:三根细钢管相交处的节点
与凳面圆形的圆心
的连线垂直于凳面和地面,且
分细钢管上下两段的比值为
,三只凳脚与地面所成的角均为
.若
、
、
是凳面圆周的三等分点,
厘米,求凳子的高度
及三根细钢管的总长度(精确到
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8664a837eed36c57a7af7ce08bf47a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d00be47dcb89793f14a2fd10f4c522b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2c4d12b3a705daab723ab243b6cc88.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/10/e5476d22-46ad-49df-8bea-d75b12ad2091.png?resizew=102)
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4卷引用:2016届上海市黄浦区高考二模(文科)数学试题
名校
5 . 已知一个凸多面体的平面展开图由两个正六边形和六个正方形构成,如图所示,若该凸多面体所有棱长均为
,则其体积![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad83973d1361b2928c7e783ffd073b75.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad83973d1361b2928c7e783ffd073b75.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/8063e86a-cf50-4b1d-a4f9-e70196aac2b9.png?resizew=207)
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2020-02-03更新
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6卷引用:2016届上海市黄浦区高考二模(文科)数学试题
6 . 直线
与直线
的夹角大小为_____ (结果用反三角函数值表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3aa3adcb154f6144903d456289ecb0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
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7 . 如图,在直角梯形
中,
,
,
,点
是
的中点,
是
的中点,现沿
将平面
折起,使得
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/14a2773b-2d23-470d-86c8-a81ad2e62871.png?resizew=394)
(1)求异面直线
与
所成角的大小;
(2)求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4864c21e9664fa9111ede6425b09563a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab37d59a157987d018576c31f2c626ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51b89f545616ef48f3706850107ad95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb47295ebe8c29208b0d52407de0334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbb05b8b630052ff544249ebd72d95d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/2/14a2773b-2d23-470d-86c8-a81ad2e62871.png?resizew=394)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(2)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f713ea2a48a99e828d7ff3d876c8ca.png)
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2020-02-03更新
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140次组卷
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2卷引用:2016届上海市闵行区高三4月质量调研(二模)(文)数学试题
8 . 若一个正三棱柱的主视图是如图所示的两个并列的正方形,则其侧面积 等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/11/830bfa7f-47cf-4cba-8729-671ea87fd3a0.png?resizew=218)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/11/830bfa7f-47cf-4cba-8729-671ea87fd3a0.png?resizew=218)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-02-03更新
|
252次组卷
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5卷引用:2016届上海市闵行区高三4月质量调研(二模)(文)数学试题
2016届上海市闵行区高三4月质量调研(二模)(文)数学试题2016届上海市闵行区高考二模(文科)数学试题2020届上海市上海大学附属中学高三下学期三模(考前评估)数学试题(已下线)考向22 空间几何体-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)课时44 几何体的表面积与体积-2022年高考数学一轮复习小题多维练(上海专用)
9 . 若
是圆
的任意一条直径,
为坐标原点,则
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f68c1991d753ba6b581a6872af26a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658aa70a197c830aa765f2f7ea4c86c5.png)
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3卷引用:2016届上海市闵行区高三4月质量调研(二模)(理)数学试题
10 . 如图,
是
外接圆
的直径,四边形
为矩形,且
平面
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/3e63b687-7a05-4cc1-968b-cca81a2e600d.png?resizew=140)
(1)证明:直线
平面
;
(2)当三棱锥
的体积最大时,求异面直线
与
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec346cba41b378fcd97f1607835e259a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/689c065652544780be8b33ae92cbb6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc90c2d45477e166b02359525f40aa6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/3e63b687-7a05-4cc1-968b-cca81a2e600d.png?resizew=140)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
(2)当三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f73a0ca4e6c794242489066fddb6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc93e193fad261689949a52819753f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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