2024·全国·模拟预测
解题方法
1 . 已知圆锥的底面半径为3,母线长为5,则该圆锥内半径最大的球的体积为______ .
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2024高三下·全国·专题练习
解题方法
2 . 已知球
的体积为
,则球
内接圆锥的侧面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8747bf1c82b370f216cf5cc2eb36d9f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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2024·全国·模拟预测
名校
3 . 在菱形
中,
,
,将
沿
翻折,使二面角
的余弦值为
,则四面体
的外接球的表面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d185e7050dcf0d8c3a5532e44c68bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1854ba6cc92481d7a616bd2788a47e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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4 . 已知圆锥的内切球半径为1,底面半径为
,则该圆锥的表面积为_____________ .
注:在圆锥内部,且与底面和各母线均有且只有一个公共点的球,称为圆锥的内切球.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
注:在圆锥内部,且与底面和各母线均有且只有一个公共点的球,称为圆锥的内切球.
您最近一年使用:0次
5 . 学生到工厂劳动实践,利用
打印技术制作模型,如图所示.该模型为长方体
中挖去一个四棱锥
,其中
为长方体的中心,
,
,
,
分别为所在棱的中点,
,
,
打印所用原料密度为
.不考虑打印损耗,制作该模型所需原料的质量为____________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b3af6f61348fc3cf1e9614916afe3ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd3cf0164966a391cd07c53ed87135a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb1bd790f2c4b5ff8cb112bee05d0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7ba195b77015a6316a74dde8ca8c1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b3af6f61348fc3cf1e9614916afe3ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ce43bf2cee77e2617a11dfca38a6c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276509f01529d982ab21e479a4619268.png)
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2024·全国·模拟预测
6 . 在正四棱锥
中,点
分别为
的中点,
,异面直线
所成角的余弦值为
,则正四棱锥
的高为___________ ,外接球的表面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e7344dca1e40bf072371ddd5640111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ca48cd27d4bf9d9ef084b558fc17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db93ec2a531a5f1baa9cb243e46bf083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a6b832d2922f5c5fea6a1143250f70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
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名校
解题方法
7 . 在三棱柱
中,
平面
,
,
,
是矩形
内一动点,满足
,则三棱锥
外接球体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a83dfb611a6857eacf3ea15ef0f4e3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abb9fee2ea15d0e647567d9c8732ef5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
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2024·全国·模拟预测
解题方法
8 . 如图,在正四棱锥
中,若底面边长为
,棱锥的高为
,且正四棱锥
的体积为32,当正四棱锥
的外接球的体积最小时,其侧棱长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bceed55ac94421172b6ac31fdf1cb561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
您最近一年使用:0次
名校
解题方法
9 . 在三棱锥
中,二面角
的大小为
,
,
,则三棱锥外接球表面积的最小值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7116a47efeeb4f6805dc16b4e60f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48b30e5e72402f4f6a167a8f9f13651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a9f167f2cdb95e6f8d202f2783623dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed6723c07230927d593cbe278ee88e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df01d40611ad128b314244ac8090cd95.png)
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10 . 在半径为5的球体内部放置一个圆锥,则该圆锥体积的最大值为______ .
您最近一年使用:0次
2024-04-22更新
|
298次组卷
|
3卷引用:青海省部分学校2023-2024学年高三下学期联考模拟预测理科数学试题