如图所示,设有底面半径为
的圆锥.已知圆锥的侧面积为
,
为
中点,
.
![](https://img.xkw.com/dksih/QBM/2022/6/2/2992893777698816/2998881124327424/STEM/2adc83bea7004804bf605cbfc40f6cf7.png?resizew=149)
(1)求圆锥的体积;
(2)求异面直线
与
所成角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7da0bd11533e2a6096272e372f467d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a9c9c14366b45e71105a07f3775bb9.png)
![](https://img.xkw.com/dksih/QBM/2022/6/2/2992893777698816/2998881124327424/STEM/2adc83bea7004804bf605cbfc40f6cf7.png?resizew=149)
(1)求圆锥的体积;
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
2022·上海黄浦·模拟预测 查看更多[6]
上海市光明中学2022届高三模拟(一)数学试题云南省楚雄天人中学2021-2022学年高二下学期6月学习效果监测数学(B)试题(已下线)第06讲 向量法求空间角(含探索性问题) (高频考点—精讲)-1(已下线)第19讲 立体几何初步-2(已下线)专题10立体几何初步必考题型分类训练-22022届上海市普通高等学校招生全国统一考试数学模拟试题(一)
更新时间:2022-06-11 09:02:10
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【推荐1】已知圆锥的表面积为
,其侧面展开图是一个半圆,求该圆锥的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d2ddb991c90140061863a81ea689a6.png)
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【推荐2】一个圆锥的表面积为
,它的侧面展开图是圆心角为120℃的扇形,求该圆锥的高.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
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【推荐1】如图,在四棱锥
中,底面ABCD为梯形,
,
,
,
,且在
中,
,
.
;
(2)若
,求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acb69f52b245011a41daaefd5b2a316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb67f27bcda7681b19239a199b4c4d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860c4c9419ebfa927b3f3ea14e4f4784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/458e0536de1347270b853869399975e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f6967901d6c855864df01e7bf7a15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c583493109d50c9e4634c05e9042a9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b10835116b9b777a666b438c907b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
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【推荐2】如图.已知几何体的三视图(单位:
).
![](https://img.xkw.com/dksih/QBM/2021/11/18/2853843550601216/2859050132791296/STEM/6744d7de-cef2-4fd6-bbb2-ecd5ae9ea7f5.png?resizew=209)
(1)画出它的大致直观图(不要求写画法);
(2)求这个几何体的表面积和体积.(结果用π保留)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://img.xkw.com/dksih/QBM/2021/11/18/2853843550601216/2859050132791296/STEM/6744d7de-cef2-4fd6-bbb2-ecd5ae9ea7f5.png?resizew=209)
(1)画出它的大致直观图(不要求写画法);
(2)求这个几何体的表面积和体积.(结果用π保留)
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【推荐1】已知正四棱锥
的全面积为2,记正四棱锥的高为h.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/23369137-92d0-437b-8bd0-d5dd78deeb5a.png?resizew=196)
(1)用h表示底面边长,并求正四棱锥体积V的最大值;
(2)当V取最大值时,求异面直线AB和PD所成角的大小.
结果用反三角函数值表示
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02bd5cfe804460846423e77f72db10f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/23369137-92d0-437b-8bd0-d5dd78deeb5a.png?resizew=196)
(1)用h表示底面边长,并求正四棱锥体积V的最大值;
(2)当V取最大值时,求异面直线AB和PD所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
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【推荐2】在直三棱柱
中,
,
,点
分别为棱
与
的中点
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/a56a83b6-291d-4965-a0c3-015ef9405c3c.png?resizew=154)
(1)求三棱锥
的体积
(2)求异面直线
与
所成角的大小
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90e17995e2f71e297d94ae51c7e5b1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/a56a83b6-291d-4965-a0c3-015ef9405c3c.png?resizew=154)
(1)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2313858815c95b90898a9352ce887c1d.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
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【推荐1】在直三棱柱
中,且
分别是
的中点.
![](https://img.xkw.com/dksih/QBM/2022/3/24/2942979588423680/2943830618333184/STEM/2526f38119e84f698c58ad0e25706c6d.png?resizew=165)
(1)求BN的长;
(2)求异面直线
和
所成角的余弦值;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa349f927cd9126f6bd0238e9414642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7cf4ac28c2d9089b3d8a45639a72a4e.png)
![](https://img.xkw.com/dksih/QBM/2022/3/24/2942979588423680/2943830618333184/STEM/2526f38119e84f698c58ad0e25706c6d.png?resizew=165)
(1)求BN的长;
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7d857811cbd619f868d951aa7a0ab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd4c85bb98a2a0afddd7ed92578ad2e.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24b201f1e798eb74963b98f2b0da4132.png)
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【推荐2】如图,在棱长为2的正方体
中,E为棱BC的中点,F为棱CD的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/2d2342d0-fe72-4438-acc3-cab36e37e3a5.png?resizew=177)
(1)求直线
与直线
所成角的余弦值.
(2)求证:
平面
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/2d2342d0-fe72-4438-acc3-cab36e37e3a5.png?resizew=177)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408871c2b71ef88d6f556ce53cf73cc9.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf55043d616833f4a69e0386b03711b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fd7d2bc169d4467ad7d70861ed6351.png)
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