2022高三·全国·专题练习
名校
解题方法
1 . 已知圆锥的顶点为P,底面圆心为O,半径为2.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/d0e0d0b2-7137-4979-8b3c-7f2f43934976.png?resizew=138)
(1)设圆锥的母线长为4,求圆锥的体积;
(2)设
,OA、OB是底面半径,且
,M为线段AB的中点,如图.求异面直线PM与OB所成的角的余弦值.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/d0e0d0b2-7137-4979-8b3c-7f2f43934976.png?resizew=138)
(1)设圆锥的母线长为4,求圆锥的体积;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0819cd060cdfb72896f379db29a4724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
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2021-09-24更新
|
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6卷引用:安徽省六安市新安中学2021-2022学年高二上学期期中数学试题
安徽省六安市新安中学2021-2022学年高二上学期期中数学试题(已下线)专题10 立体几何-五年(2017-2021)高考数学真题分项(新高考地区专用)新疆喀什第二中学2022届高三11月月考数学试题北京市海淀区教师进修学校附属实验学校2020-2021学年高二上学期期末考试数学试题(已下线)专题20 立体几何综合大题必刷100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)(已下线)第08讲 第七章 立体几何与空间向量(基础拿分卷)
名校
解题方法
2 . 如图,在三棱锥
中,
平面
,
,
为侧棱
中点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/a382cb10-3e02-4a96-ae15-e088286487f2.png?resizew=152)
(1)证明:
平面
;
(2)求三棱锥
的体积;
(3)在
的平分线上确定一点
,使得
平面
,并求此时
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4fd6d3107ffc0f2f423f271328a8fa9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/a382cb10-3e02-4a96-ae15-e088286487f2.png?resizew=152)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca5dd496ee0c1170ef6dcc48266ee444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1a378a3a4660eb1ece52085a9b44d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abd284f76d9f5769bc189508ce2572b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
3 . 已知四棱锥
中,底面
是面积为
的菱形,
与
交于点
,
平面
,
,
分别是线段
,
上的点,
.
![](https://img.xkw.com/dksih/QBM/2021/11/11/2849183810994176/2855141984821248/STEM/cab55af4bc5841a3a12b57fc2f52c890.png?resizew=213)
(1)求证:平面
平面
;
(2)若三棱锥
的体积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.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://staticzujuan.xkw.com/quesimg/Upload/formula/6d30637da200a07672ae231b4c5c09cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4db9b82b67efe45a02fca32bfcf5dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4632538ae39c94a72167d919e5cf0df.png)
![](https://img.xkw.com/dksih/QBM/2021/11/11/2849183810994176/2855141984821248/STEM/cab55af4bc5841a3a12b57fc2f52c890.png?resizew=213)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78307cd417504554a4e2276fe24d1162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65277734669566578cbb7d690bb200fb.png)
(2)若三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c238f5d8664b3ee7cc7908c314a9c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5040d31e784398842b04ed7dd0aacc10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a3ff12954b7c1262ae9198e95f471c.png)
您最近一年使用:0次
名校
解题方法
4 . 如图,在四棱锥
中,底面
为菱形,平面
底面
,且
,
,
,
为
的中点,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/71eea35b-2106-4891-ad8c-8be45ac8d644.png?resizew=161)
(1)证明:
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98239be016121504e11c8cae78c87e8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7bae5203f4b4acf23779114b3466e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4dbea6a5faecdd8f6c06cf9fd43a90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/19/71eea35b-2106-4891-ad8c-8be45ac8d644.png?resizew=161)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5928c98b341b16d4b5a5b931d2929d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d246f9eceab371ebf47a47c2f11a4ad.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ed9b5930aff911cbecc862a72d7173.png)
您最近一年使用:0次
2021-11-13更新
|
671次组卷
|
2卷引用:安徽省六安市第一中学2022届高三上学期第三次月考文科数学试题
5 . 在高一年级一次社会实践活动中,一组学生的任务是用数控机床把一个半径为2的铝合金球加工成一个工件,这个工件是具有公共底面圆的两个圆锥形(如图),且这两个圆锥的顶点和底面圆周都在这个球面上,已知圆锥底面面积是这个球面面积的
.
(2)求工件的表面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b32a0aea3308e1678a290ccb84b741.png)
(2)求工件的表面积.
您最近一年使用:0次
2021-08-28更新
|
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3卷引用:安徽省黄山市屯溪第一中学、中科大附中2020-2021学年高一下学期期中联考数学试题
安徽省黄山市屯溪第一中学、中科大附中2020-2021学年高一下学期期中联考数学试题沪教版(2020) 必修第三册 同步跟踪练习 第11章 11.3~11.4 阶段综合训练(已下线)第八章 本章综合--归纳本章考点【第一课】“上好三节课,做好三套题“高中数学素养晋级之路
名校
解题方法
6 . 如图,已知四棱锥
的底面是菱形,AC交BD于O,
平面ABC,E为AD的中点,点F在PA上,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/cb779287-ff13-4080-b2a8-631a2eab23e5.png?resizew=148)
(1)证明:
平面BEF;
(2)若
,
,求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ecff2da7c8f26cd673f0278351493c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/27/cb779287-ff13-4080-b2a8-631a2eab23e5.png?resizew=148)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb178784aa857d4d4683e650273f054.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d1db00e67b57f822fa4e52b1c77c1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e08cc98c3c18d189824358dec8de72e.png)
您最近一年使用:0次
2021-08-27更新
|
431次组卷
|
4卷引用:安徽省滁州市定远县第二中学2022届高三下学期高考模拟检测文科数学试题
安徽省滁州市定远县第二中学2022届高三下学期高考模拟检测文科数学试题云南省昆明市第一中学2022届高三上学期第一次摸底测试数学(文)试题(已下线)专题19 立体几何(解答题)-备战2022年高考数学(文)母题题源解密(全国甲卷)新疆石河子第一中学2022届高三8月月考数学(文)试题(A卷)
7 . 四棱锥
中,底面
为直角梯形,
,
,
,
,
,
为
的中点,
为
的中点,平面
底面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/3c87c58c-7b70-4874-a8fb-31332eb82891.png?resizew=150)
(1)证明:平面
平面
;
(2)若
与底面
所成的角为
,求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5acb763021bf166ca719d07223591d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0e5697eca3f5205cb7b343648240bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e921f46d90e43f4517c55832b6280f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/15/3c87c58c-7b70-4874-a8fb-31332eb82891.png?resizew=150)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51838e395dfc9d9ef597d9e01f46272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
您最近一年使用:0次
8 . 如图,正三棱锥(底面是正三角形,侧棱长都相等)
的底面边长为2,侧棱长为3.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/98fd992c-9188-4189-a276-291f04b41e51.png?resizew=155)
(1)求正三棱锥
的表面积;
(2)求正三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/14/98fd992c-9188-4189-a276-291f04b41e51.png?resizew=155)
(1)求正三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
(2)求正三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
您最近一年使用:0次
解题方法
9 . 已知四棱锥
,底面
是菱形,
,
底面
,且
,点
,
分别是棱
和
的中点.
![](https://img.xkw.com/dksih/QBM/2021/7/6/2758572261810176/2778955747115008/STEM/df3b5c29-7421-4f25-b308-ae5e82afce09.png?resizew=236)
(1)求证:
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.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/0a8067cc458cf12887177487c3cfb9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/2021/7/6/2758572261810176/2778955747115008/STEM/df3b5c29-7421-4f25-b308-ae5e82afce09.png?resizew=236)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7592c4f01c8e06c7ee90df5b9413a9f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10565539a274b4e63b45c3c779b4c87e.png)
您最近一年使用:0次
名校
解题方法
10 . 如图,四棱台
,上、下底面均是正方形,且侧面是全等的等腰梯形,且AB=5,
=4,
.
![](https://img.xkw.com/dksih/QBM/2021/4/25/2707493327863808/2772018949382144/STEM/b03687d3c2ef4611952060c01a4d962c.png?resizew=174)
(1)求四棱台
的侧面积;
(2)求四棱台
的体积.(台体体积公式
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08358d784d72d8a502baf65fb937d18c.png)
![](https://img.xkw.com/dksih/QBM/2021/4/25/2707493327863808/2772018949382144/STEM/b03687d3c2ef4611952060c01a4d962c.png?resizew=174)
(1)求四棱台
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
(2)求四棱台
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ecdb3af989253a69306445d3099f95.png)
您最近一年使用:0次
2021-07-25更新
|
510次组卷
|
3卷引用:安徽省亳州市第一中学2020-2021学年高一下学期期中模拟数学试题