名校
解题方法
1 . 已知三棱锥的三视图如图所示,则该三棱锥的表面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/3577f9be-7521-48ff-8787-398193047d15.png?resizew=204)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/3577f9be-7521-48ff-8787-398193047d15.png?resizew=204)
A.![]() | B.6 | C.![]() | D.8 |
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3卷引用:广西壮族自治区南宁市第三中学2023届高三数学(理)模拟试题(四)
名校
2 . 某几何体的三视图如图所示,则该几何体的表面积是( )
![](https://img.xkw.com/dksih/QBM/2022/5/3/2971556703862784/2972282802946048/STEM/38ebebb9-c06b-4104-b563-26a1f705eb91.png?resizew=180)
![](https://img.xkw.com/dksih/QBM/2022/5/3/2971556703862784/2972282802946048/STEM/38ebebb9-c06b-4104-b563-26a1f705eb91.png?resizew=180)
A.14 | B.20 | C.![]() | D.![]() |
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5卷引用:广西2023届高三上学期开学摸底考试数学(文)试题
3 . 某几何体的三视图如图所示,则该几何体的外接球表面积是________ .
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967030506577920/2969905948180480/STEM/c57034b8-e50e-4062-81d9-95d07175676b.png?resizew=140)
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解题方法
4 . 如图,在四棱锥
中,底面ABCD是矩形,
平面ABCD,且
,
,
,E为PD的中点.
![](https://img.xkw.com/dksih/QBM/2022/4/20/2962149527773184/2963215974440960/STEM/e11a6d39-5e09-4939-a563-5bda4f626e10.png?resizew=178)
(1)求证:
平面ACE;
(2)求四棱锥
的侧面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab2c27eac56fffa4cd7dbe1dcdf1a.png)
![](https://img.xkw.com/dksih/QBM/2022/4/20/2962149527773184/2963215974440960/STEM/e11a6d39-5e09-4939-a563-5bda4f626e10.png?resizew=178)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf2bc3dd1f1ae5d5e28b0366f454ec1.png)
(2)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
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2022-04-21更新
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1028次组卷
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3卷引用:广西南宁市2022届高三高中毕业班第二次适应性测试数学(文)试题
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5 . 半球的表面积与其内最大正方体的表面积之比为______ .
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2022-04-20更新
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4卷引用:广西四市2022届高三4月教学质量检测数学(理)试题
广西四市2022届高三4月教学质量检测数学(理)试题广西四市2022届高三4月教学质量检测数学(文)试题(已下线)四川省成都市第七中学2024届高三一模数学(文)试题(已下线)四川省成都市第七中学2024届高三一模数学(理)试题
6 . 如图,
的外接圆⊙
的半径为
,
⊙
所在的平面,
,
,且
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/22/240c5ccc-e9a2-4ca9-9406-0bb0d11e438a.png?resizew=169)
(1)求证:平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d78fc7fcb2762de28dcef8aa3aa0e49.png)
平面
;
(2)求几何体
的体积;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3dc3d90beb344a2a154a90009b51bcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daffba23d64529e8c8fac0424e7c5893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc90c2d45477e166b02359525f40aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65c5267eff44141c4da721280db3cf1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/22/240c5ccc-e9a2-4ca9-9406-0bb0d11e438a.png?resizew=169)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d78fc7fcb2762de28dcef8aa3aa0e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1633988fd62a652de726ee92a917b52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
(2)求几何体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
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名校
解题方法
7 . 已知一个三棱锥的三视图如图所示,正视图为正方形,侧视图和俯视图均为直角三角形,则该几何体的体积是( )
![](https://img.xkw.com/dksih/QBM/2022/4/6/2952476810829824/2952971693842432/STEM/4072fafb-a356-445e-9ded-ee9090f5c3e8.png?resizew=166)
![](https://img.xkw.com/dksih/QBM/2022/4/6/2952476810829824/2952971693842432/STEM/4072fafb-a356-445e-9ded-ee9090f5c3e8.png?resizew=166)
A.12 | B.2 | C.4 | D.6 |
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4卷引用:广西柳州高级中学、南宁市第二中学2023届高三上学期9月联考数学(理)试题
8 . 如图(1),沿对角线
将矩形折叠,连接
,所得三棱锥
正视图和俯视图如图(2),则三棱锥A-BCD的侧视图为( )
![](https://img.xkw.com/dksih/QBM/2022/3/29/2946770215813120/2947907939106816/STEM/4e3d2121598e463d967c49fd693489b3.png?resizew=490)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://img.xkw.com/dksih/QBM/2022/3/29/2946770215813120/2947907939106816/STEM/4e3d2121598e463d967c49fd693489b3.png?resizew=490)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 如图,在矩形ABCD中,
,
,沿BD将矩形ABCD折叠,连接AC,所得三棱锥A-BCD正视图和俯视图如图所示,则三棱锥A-BCD的侧视图为( )
![](https://img.xkw.com/dksih/QBM/2022/3/29/2946770221383680/2947579343273984/STEM/ee1d4d4eacac434b834e196d2dcfb205.png?resizew=272)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://img.xkw.com/dksih/QBM/2022/3/29/2946770221383680/2947579343273984/STEM/ee1d4d4eacac434b834e196d2dcfb205.png?resizew=272)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-03-30更新
|
374次组卷
|
2卷引用:广西柳州市2022届高三第三次模拟考试数学(文)试题
10 . 已知四棱锥
中,
,
平面
,点
为
三等分点(靠近
点),
,
,
.
![](https://img.xkw.com/dksih/QBM/2022/3/29/2946770221383680/2947579343773696/STEM/4c6bb18a-c50d-49bd-a010-d6909bc2b397.png?resizew=183)
(1)求证:
平面
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958f880eccc0a0e15aefc54078d8aa2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac192cfba38bf0e2df0c2d490596aa65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44b190c8d3d7d7d0e6e959e8a52eae90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f88870519c473fb6fb36b5a88a42df24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4280be91682e5d8a0d0704190319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2ae98eb223b4fe33e53e9d3ba4cc40.png)
![](https://img.xkw.com/dksih/QBM/2022/3/29/2946770221383680/2947579343773696/STEM/4c6bb18a-c50d-49bd-a010-d6909bc2b397.png?resizew=183)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ade8233bc5e455bc00825e081647519.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aede171b1554a3a945fefc3c122f900a.png)
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