名校
解题方法
1 . 如图,正方体
的棱长为1,动点
在直线
上,
,
分别是
,
的中点,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e620ff453dd39c50ce1413f5a7ca2658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
A.![]() | B.![]() ![]() |
C.三棱锥![]() | D.存在点![]() ![]() ![]() |
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名校
解题方法
2 . 如图,在正方体
中,
是
的中点.
平面
;
(2)若
,求点
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0424446817f60c18f8e4e3cc202ad99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f647de53756993a680347e8ce3c0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0387c9dd6759a28c8beceef04f8a5a62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
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3 . 将一个圆形纸片裁成两个扇形,再分别卷成甲、乙两个圆锥的侧面,甲、乙两个圆锥的侧面积分别为
和
,体积分别为
和
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f98a2d9c0ed32f1d91a0621481a43b9.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c7bb6fb4b26508ec5f6f62ee846cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9e60e949f1626a58a8c0eb756f580d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b29d9d4c81c9a02c4060a8685312adb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f70d9200b02ae482d0cd63bbbe10e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0264efe98524ae4cf13d48efffeb4a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f98a2d9c0ed32f1d91a0621481a43b9.png)
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4 . 汉代刘歆设计的“铜嘉量”是龠、合、升、斗、斛五量合一的标准量器,其中升量器、斗量器、斛量器的形状均可视为圆柱.若升、斗、斛量器的容积成公比为10的等比数列,底面直径依次为
,且斛量器的高为
,则斗量器的高为______
,升量器的高为________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d40bfea5eaefd08ce28476a2708262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac5f863463679148ff8f85329744fd05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f3bf70722b22983c120d008d097602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f3bf70722b22983c120d008d097602.png)
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7日内更新
|
2034次组卷
|
4卷引用:2024年北京高考数学真题
名校
解题方法
5 . 在四棱锥P−ABCD中,
,正方形ABCD的边长为2,
平面ABCD,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cd5c4f8b106d01e0e431078e1a468b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
A.该四棱锥的外接球表面积为![]() |
B.若点E为PA的中点,则![]() |
C.若点Q在![]() ![]() ![]() |
D.若点M在正方形ABCD内(不含边界),且![]() ![]() |
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名校
解题方法
6 . 六氟化硫,化学式为
,在常压下是一种无色、无臭、无毒、不燃的稳定气体,有良好的绝缘性,在电器工业方面具有广泛用途.六氟化硫结构为正八面体结构,如图所示,硫原子位于正八面体的中心,6个氟原子分别位于正八面体的6个顶点,若相邻两个氟原子之间的距离为
,则下列错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19be28d470f120dfa7cb3b1837122e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.该正八面体结构的外接球表面积为![]() |
B.该正八面体结构的内切球表面积为![]() |
C.该正八面体结构的表面积为![]() |
D.该正八面体结构的体积为![]() |
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2024高一下·全国·专题练习
7 . 如图,在梯形
中,
,在平面
内过点
作
,以
为轴旋转一周得到一个旋转体.
(2)求此旋转体的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07faf99b541be0843bccb77a8e18589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3777318aa3fbdee09cfeeea971e8fcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)求此旋转体的体积.
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8 . 在四棱锥
中,底面ABCD为正方形,
平面ABCD,
,E为线段PB的中点,F为线段BC上的动点,则( )
![](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/829f9180ddd9aa1a0ee0dc520f4e0b5f.png)
A.直线![]() | B.直线AF与平面PBC所成角的最小值是![]() |
C.直线![]() | D.三棱锥![]() |
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名校
9 . 如图①,在直角梯形
中,
,
,
,E为
的中点,将
沿
折起构成几何体
,如图②.在图②所示的几何体
中:
上找一点F,满足
平面
,求几何体
与几何体
的体积比;
(2)当几何体
的体积最大时,
①求证:
平面
;
②求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4795ee1f96b430529934e2231b38885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47ad7ef0a17747fc54fe058bcb8d1a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df6a3413b77478c8d4e1e0389dbf5984.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c0bfeadcf17b2a45896071f07a4a5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199098479c92e87304b91871172d46e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
(2)当几何体
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4357d5744046d4d44abb09e1ee35fcb.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ffc6952e988d04f22f0fb2f7f0ab7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
②求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c079889aea502b5783046f78728eb1.png)
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7日内更新
|
358次组卷
|
2卷引用:贵州省贵阳清华中学2023-2024学年高一下学期5月联考数学试题
名校
解题方法
10 . 在棱长为2的正方体
中,P,E,F分别为棱
,
,BC的中点,O为侧面正方形
的中心,则下列结论错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
A.直线![]() | B.直线PF与平面POE所成角的正切值为![]() | C.三棱锥![]() ![]() | D.三棱锥![]() ![]() |
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