名校
1 . 一个棱长为2的正方体被一个平面截后所得几何体的三视图如图所示,则该截面的面积为
A.![]() | B.4 | C.3 | D.![]() |
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2017-12-17更新
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1291次组卷
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19卷引用:广西陆川县中学2018届高三12月月考数学(文)试题
广西陆川县中学2018届高三12月月考数学(文)试题广西玉林市陆川中学2018届高三12月月考数学(理)试题2017届江西吉安一中高三理周考12.11数学试卷2017届江西吉安一中高三文周考12.11数学试卷四川省南充市2018届高三第一次高考适应性考试(一诊)数学文试题四川省南充市2018届高三第一次高考适应性考试数学理试题(已下线)2017-2018学年第一学期期末复习备考之精准复习模拟题高三年级(理)人教版数学试题(B卷)【全国百强校】安徽省蚌埠市第二中学2018届高三4月月考数学(理)试题【全国百强校】湖南省长沙市雅礼中学2019届高三上学期11月份月考数学(理)试题【全国百强校】湖北省武汉市第六中学2019届高三12月月考数学理试题智能测评与辅导[理]-空间几何体的三视图、表面积、体积2019届湖南省长沙市雅礼中学高三上学期第三次月考数学(理)试题安徽省安庆市怀宁县第二中学2018-2019学年高三上学期第五次月考数学(理)试题四川省宜宾四中2019届高三上学期期末数学(文)试题四川省成都市第七中学2024届高三下学期5月模拟考试文科数学试题河北省衡水中学2016-2017学年高一下学期期中考试数学(文)试题湖北省宜昌市第一中学2017-2018学年高二上学期期末考试数学(理)试题江西省新余市2018-2019学年高一上学期期末质量检测数学试题河北省武强中学2020-2021学年高二下学期期中数学(文)试题
2 . 如图,已知
平面
,四边形
为矩形,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/2017/12/8/1834125143654400/1835365436727296/STEM/d753bcf6d4094725acbf08010635e081.png?resizew=175)
(1)求证:平面
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662698361c6b3ddaf0c28a3c87be53e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c800b6aabdc453e2c7e343061e9c6a78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37591109b0a0ec5ffe2133f83310eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99dfe4b6028cd0a29953bbb50c5a33b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://img.xkw.com/dksih/QBM/2017/12/8/1834125143654400/1835365436727296/STEM/d753bcf6d4094725acbf08010635e081.png?resizew=175)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7823e6a47ed42d8da12efbf61fe5af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500df0e782bb081e608f4bc1d576afcf.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209e3b87346e057276f0692a7361e446.png)
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2017-12-10更新
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2卷引用:广西玉林、柳州2017届高三4月联考数学(文)试题2
名校
解题方法
3 . 如图,网格纸上正方形小格的边长为1,图中粗线画出的是某几何体的三视图,则该几何体的体积为( )
![](https://img.xkw.com/dksih/QBM/2017/5/16/1688070009085952/1690170568531968/STEM/989c6cff5b2e4c39a5151244c3b86a0d.png?resizew=186)
![](https://img.xkw.com/dksih/QBM/2017/5/16/1688070009085952/1690170568531968/STEM/989c6cff5b2e4c39a5151244c3b86a0d.png?resizew=186)
A.![]() | B.![]() | C.![]() | D.4 |
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2017-05-19更新
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4卷引用:广西壮族自治区玉林高中2017届高三高考冲刺模拟(十)数学(理科)试题
广西壮族自治区玉林高中2017届高三高考冲刺模拟(十)数学(理科)试题江西省重点中学协作体2017届高三第二次联考数学(文)试题江西省南昌市第二中学2018届高三上学期第三次月考数学(文)试题(已下线)二轮复习 【理】专题11 空间几何体 押题专练
4 . 某个几何体的三视图如图所示,则该几何体的表面积为
![](https://img.xkw.com/dksih/QBM/2017/5/12/1685460232208384/1687779218767872/STEM/fbd8985b9bc9443e83bcbdba153b3f50.png?resizew=126)
![](https://img.xkw.com/dksih/QBM/2017/5/12/1685460232208384/1687779218767872/STEM/fbd8985b9bc9443e83bcbdba153b3f50.png?resizew=126)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-05-15更新
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5卷引用:广西陆川中学2017届高三下学期期中考试数学(理)试题
解题方法
5 . 如图,在三棱锥
中,
,
,
,若该三棱锥的四个顶点均在同一球面上,则该球的体积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/13/52b48265-299a-48bc-8df0-a0d98b26dd67.png?resizew=126)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7ad3a578f403b9e6b97fa2dc955fc11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da47afc97889234ed85d199c086c72d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74160ec7817c1de7f49c5f49b4ce0274.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/13/52b48265-299a-48bc-8df0-a0d98b26dd67.png?resizew=126)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-05-15更新
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8卷引用:广西陆川中学2017届高三下学期期中考试数学(理)试题
广西陆川中学2017届高三下学期期中考试数学(理)试题广西玉林、柳州2017届高三4月联考数学(文)试题2广西玉林、柳州2017届高三4月联考数学(文)试题1广西玉林市、柳州市2017届高三4月联考数学(理)试题广西玉林、柳州2017届高三4月联考数学(理)试题(已下线)黄金30题系列 高二年级数学(文) 小题好拿分【基础版】(已下线)黄金30题系列 高二年级数学(理) 小题好拿分【基础版】(已下线)2019年1月2日 《每日一题》人教必修1+必修2(上学期期末复习)空间几何体的表面积与体积
解题方法
6 . 等腰
的底边
,高
,点E是线段BD上异于点B,D的动点
点F在BC边上,且
现沿EF将
折起到
的位置,使
.
![](https://img.xkw.com/dksih/QBM/2019/3/8/2155903942017024/2159131329470464/STEM/a9d97fee62824576911d0c5577d5e0ec.png?resizew=198)
Ⅰ
证明
平面PAE;
Ⅱ
记
,
表示四棱锥
的体积,求
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a6aded55fad6899c19c47682b2a7642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd86866064ba3f81f4468a9df5cb35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2ea13010e2399194be2a681310543e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b51d3992644d37dc71c9b5a97d515c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f63569c960a9c70f5f093e544623f46.png)
![](https://img.xkw.com/dksih/QBM/2019/3/8/2155903942017024/2159131329470464/STEM/a9d97fee62824576911d0c5577d5e0ec.png?resizew=198)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a5f445af1ae136773cb338920552ff2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c29bf5a05dd46f6e03dfd22c32f7ce1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e766305fcae007508b086d27cf73bd5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57650963051ccb44a3cfb24f08228405.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e766305fcae007508b086d27cf73bd5d.png)
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2017-05-02更新
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866次组卷
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3卷引用:广西北流市实验中学2020届高三下学期开学考试数学(文)试题
7 . 如图,三棱柱
中,
是正三角形,四边形
是矩形,且
.
![](https://img.xkw.com/dksih/QBM/2017/4/18/1668576325672960/1668647949328384/STEM/72a607721fa14691806498c0b700d6ea.png?resizew=146)
(1)求证:平面
平面
;
(2)若点
在线段
上,且
,当三棱锥
的体积为
时,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a01abf5ae85221309ecf031f2cd872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a3d8b2c55aa1dd6463651d19735cee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4425960eef27cadeab5202b563676a14.png)
![](https://img.xkw.com/dksih/QBM/2017/4/18/1668576325672960/1668647949328384/STEM/72a607721fa14691806498c0b700d6ea.png?resizew=146)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde1e200d1dd5ddc433c876c9d2f688c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1642eec556eb252de9c1ab7bb5ca90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c13b3e5123662250d87d1c495bd8d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3379b0519d41af970b9d28dfba0094d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2017-04-18更新
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2卷引用:2018届广西玉林高级中学高三5月毕业班模拟考试数学(文)试题
名校
8 . 某四棱锥的三视图如图所示,俯视图是一个等腰直角三角形,则该四棱锥的表面积是
![](https://img.xkw.com/dksih/QBM/2017/4/12/1664255906832384/1664822244433920/STEM/4921287cc3b94f6cbf5ff6e71f60b01d.png?resizew=166)
![](https://img.xkw.com/dksih/QBM/2017/4/12/1664255906832384/1664822244433920/STEM/4921287cc3b94f6cbf5ff6e71f60b01d.png?resizew=166)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2017-04-13更新
|
662次组卷
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2卷引用:广西玉林高中2017届高三高考预测五数学(文)试题
名校
解题方法
9 . 如图,已知平面
平面
,四边形
是正方形,四边形
是菱形,且
,点
分别为边
的中点,点
是线段
上的动点.
![](https://img.xkw.com/dksih/QBM/2017/3/7/1638704566247424/1656268033253376/STEM/cef19feb86ea43e99d354edbbc3b725c.png?resizew=236)
(1)求证:
平面
;
(2)求三棱锥
的体积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c674dc5024374f53920947c4cf4baf11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f611d0a0894890a13e08135c1b887d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0f067a2a348ceb24a408f82992eab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bc67cc4eb17a62a39d9105ca763a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/2017/3/7/1638704566247424/1656268033253376/STEM/cef19feb86ea43e99d354edbbc3b725c.png?resizew=236)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d07d16fc91aa960b67ba4b474de8a62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc46688d8723cf2003fc25890265200.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350b7afa86146fb39d1fcd456c862b49.png)
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2017-04-01更新
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3卷引用:2017届广西陆川县中学高三下学期知识竞赛文数试卷
10 . 某几何体的三视图如图所示,那么该几何体的体积是
![](https://img.xkw.com/dksih/QBM/2017/3/7/1638704566247424/1656268032958464/STEM/b1fef09888424be593aae49fdb04699d.png?resizew=173)
![](https://img.xkw.com/dksih/QBM/2017/3/7/1638704566247424/1656268032958464/STEM/b1fef09888424be593aae49fdb04699d.png?resizew=173)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次