解题方法
1 . 如图,已知顶点为
的圆锥其底面圆
的半径为8,点
为圆锥底面半圆弧
的中点,点
为母线
的中点.
(1)若母线长为10,求圆锥的体积;
(2)若异面直线
与
所成角大小为
,求
、
两点间的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/31/58fd1f0e-0397-4738-8f9b-86bee83b9048.png?resizew=207)
(1)若母线长为10,求圆锥的体积;
(2)若异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2 . 在如图所示的圆锥中,底面直径与母线长均为4,点C是底面直径AB所对弧的中点,点D是母线PA的中点.
(1)求该圆锥的侧面积与体积;
(2)求异面直线AB与CD所成角的大小.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/26/23e51d9c-75df-465f-8a72-c08e375b95b6.png?resizew=154)
(1)求该圆锥的侧面积与体积;
(2)求异面直线AB与CD所成角的大小.
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名校
解题方法
3 . 在棱长为2的正方体
中,E,F分别为AB,BC的中点,对于如下命题:①异面直线
与
所成角的余弦值为
;②点P为正方形
内一点,当
平面
时,DP的最小值为
;③过点
,E,F的平面截正方体
所得的截面周长为
;④当三棱锥
的所有顶点都在球O的表面上时,球O的体积为
.则正确的命题个数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/f4063029-24dc-4d20-89d4-dd468a162286.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc725182c2fd1413319fea35b95c7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf9403ecd2ae90269297499ba6c7182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589c878e789e07e33d65c8a18cf2c58a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7116071164cdc45f5d312a437c68bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29587f681356659028a787bffa098417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e5a44046c8232c8b81924036c6ba9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246fffc9041c2b970076b4a564683a83.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/f4063029-24dc-4d20-89d4-dd468a162286.png?resizew=159)
A.1 | B.2 | C.3 | D.4 |
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名校
解题方法
4 . 如图,已知
,
是相互垂直的两条异面直线,直线
与
,
均相互垂直,且
,动点
,
分别位于直线
,
上,若直线
与
所成的角
,三棱锥
的体积的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a40d2cf43fce0c99dff3470d554eb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b34f454ebe423b8137c0e4edc19f54.png)
![](https://img.xkw.com/dksih/QBM/2023/4/12/3214823041064960/3215719444619264/STEM/82f37e94ecb744848e0dc39e09c3413e.png?resizew=179)
您最近一年使用:0次
2023-04-13更新
|
1548次组卷
|
5卷引用:上海市复兴高级中学2023届高三适应性练习数学试题
上海市复兴高级中学2023届高三适应性练习数学试题(已下线)黄金卷01重庆市第八中学校2022届高三下学期高考考前模拟数学试题(已下线)数学(全国乙卷理科)陕西省西安市铁一中学2022-2023学年高二下学期第3次月考理科数学试题
解题方法
5 . 如图,在正三棱柱
中,已知
,
是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/15/0153429b-5f9a-41fa-8b45-af1efaab51f1.png?resizew=141)
(1)求直线
与
所成的角的大小;
(2)求证:平面
平面
,并求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92105835f8075cb75dff244e908370b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/15/0153429b-5f9a-41fa-8b45-af1efaab51f1.png?resizew=141)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a7bcc1efb8a2ff57d64b6d057da463.png)
(2)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa046f0b820bd6c237ae6db5669fe13a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc7e774e4ae40c23bf4ceed179230ca.png)
您最近一年使用:0次
2023-04-13更新
|
1164次组卷
|
3卷引用:上海市金山区2023届高三二模数学试题
名校
6 . 在棱长为1的正方体
中,
,
分别为棱
和
的中点.
与
所成的余弦值;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4da59da5bd6c8d3492272062d8b776a.png)
您最近一年使用:0次
2023-03-25更新
|
679次组卷
|
5卷引用:上海市第四中学2019-2020学年高三上学期期中数学试题
上海市第四中学2019-2020学年高三上学期期中数学试题云南省泸水市怒江新城新时代中学2023届高三上学期期末考试数学试题沪教版(2020) 必修第三册 经典导学 期中测评(已下线)高一下数学期中模拟卷02(必修二前三章)-【单元测试】2022-2023学年高一数学分层训练AB卷(人教A版2019必修第二册)云南省文山州砚山县第三高级中学2022-2023学年高一下学期期中考试数学试题
名校
解题方法
7 . 设、
、
为空间中三条不同的直线,若
与
所成角为α,
与
所成角为β,其中
,那么
与
所成角的取值范围为
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8 . 将边长为1的正方形
(及其内部)绕
旋转一周形成圆柱,如图,
,
,其中
与
在平面
的同侧.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/19/14da7339-3293-45ad-af59-9e05bae3be41.png?resizew=171)
(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/e2558d8d867325a0460ec7f638d5dfd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41722b2be974ddd290b8f410e3bc8bf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411a18c36acad9743dccd9730dc1a0f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2558d8d867325a0460ec7f638d5dfd3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/19/14da7339-3293-45ad-af59-9e05bae3be41.png?resizew=171)
(1)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126fed258f5e4424925bf492d5ef32b3.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
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9 . 在如图所示的圆锥中,底面直径与母线长均为4,点
是底面直径
所对弧的中点,点
是母线
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/11/25f44a0a-4161-40b8-b3ef-841554ae87e4.png?resizew=180)
(1)求该圆锥体积;
(2)求异面直线
与
所成角的大小.
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/11/25f44a0a-4161-40b8-b3ef-841554ae87e4.png?resizew=180)
(1)求该圆锥体积;
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
名校
10 . 如图,在四棱锥
中,底面
是边长为
的正方形,
底面
,
,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/8/e06af038-c0d6-4f82-a5ae-8b0a2ef5f140.png?resizew=169)
(1)求异面直线
与
所成角的大小;
(2)求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a5faf3cbb633fc4294c8ce703c64c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129d17c9a49272d44a0e70346414d12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4317430d5a2b61d9a2a88b73e7d7ad39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774f83067ed956a551bc41adcce0469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/8/e06af038-c0d6-4f82-a5ae-8b0a2ef5f140.png?resizew=169)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2e2c0d4ac2bd79f6cea7a9b1a50662.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3201d3796ed9a29338aac25245a7c8e2.png)
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