1 . 如图,在正四棱锥
中,
为底面
的中心.
,
,求正四棱锥的体积;
(2)若
,
为
的中点, 求直线
与平面
所成角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574dc284fb9e74d65cf0c79a978d65de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97be8206012b8d5b1402dfa5e9761196.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd50cf631e459b58b180cdf2f57844c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87827211113fd8f5d1afd793927222d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e2da608b66c9aee03e2503388ba4fd.png)
您最近一年使用:0次
解题方法
2 . 如图,在四棱锥
中,底面四边形
是边长为
的正方形,
与
交于点
,
底面
,侧棱与底面所成角的余弦值为
.
到侧面的距离;
(2)求平面
与平面
所成夹角的余弦值.
![](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/cf298f00799cbf34b4db26f5f63af92f.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/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83fb9ac8a18e78a4c56da79514b5ccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
名校
3 . 如图所示的空间直角坐标系A-xyz中,所有坐标均为整数的点称为整点;已知正方体
的棱长为a,点P满足
,其中
,
;
,且直线
与平面
所成角大小为
,求点P的轨迹长度;
(2)若
,
,求正方体经过点
的截面面积S的取值范围;
(3)若
,求三棱锥
内(不包括表面边界)整点的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f9dd1458186cfbdf0701ba835572721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79296cd4046a71e163a8f3e647a176ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994fe2e2ccff825adfe4567a84e0fd79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655c413f509068d30b165f9d92bdba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c52091eb745de866044477641a7c55f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500d68f2678989a5ce7431cfd51b019d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d03c3b051baf2d868a53b9d2dba307.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e15cbd7c42d7b15d7ba8d2b28ab8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb650f48c879ea25127662b47d16feec.png)
您最近一年使用:0次
4 . 如图,在长方体
中,四边形
的周长为
,长方体
的体积为
.
的表达式;
(2)若自变量
从
变到
,求
的平均变化率;
(3)若
,求
在
处的瞬时变化率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121dd9ae224aa010a3c1a3e923ccd926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed2c35a296c15105064bd1f3bb7953b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed2c35a296c15105064bd1f3bb7953b.png)
(2)若自变量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed2c35a296c15105064bd1f3bb7953b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74313912259d54b0d7d63d306d981f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed2c35a296c15105064bd1f3bb7953b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
您最近一年使用:0次
5 . 圆锥的底面半径和高都为1,圆柱内接于圆锥(即圆柱下底面在圆锥的底面内).
(1)求圆柱的侧面积的最大值;
(2)求圆柱体积的最大值.
(1)求圆柱的侧面积的最大值;
(2)求圆柱体积的最大值.
您最近一年使用:0次
名校
解题方法
6 . 如图,圆锥
的底面半径为3,圆锥的表面积为
.
的体积;
(2)设
是底面圆周上的两点,且平面
平面
,求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5f9251b20115e4f9bfc2005ef26f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66aa4fc8af46e05cb31701f7cffabd20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b31d6fd94ea20abb4d95c2ff3231cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18e5ef91fb27dd684a27ae7f1993cfba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc9c9cfa597b444b5c9dbae7a825a695.png)
您最近一年使用:0次
解题方法
7 . 将一条长为6的铁丝截成9段,拼成一个正三棱柱,求该三棱柱体积的最大值.
您最近一年使用:0次
名校
8 . 如图,四棱锥P-ABCD中,底面ABCD是等腰梯形,
,
,
,
,
.
(1)求四棱锥
的体积.
(2)若
为边PC的中点,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec70816ad7a68d5be305d454b25a3cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49437f474e5805688dff21ded2d1fd7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6e3e900a2d5c052d719b0d4f823c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e74e05a9adf6a1f7a10edd0ac720311.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/99dfda22-4074-4008-befd-bd6ec29e0633.png?resizew=170)
(1)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b97115324c54e79840000b96fcba24.png)
您最近一年使用:0次
名校
解题方法
9 . 正四棱柱
中,
分别是棱
的中点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/6d021ee7-a8bd-4246-bc54-0ef0c2a94666.png?resizew=173)
(1)求正四棱柱
的体积;
(2)求平面
与平面
所成锐二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41b998b04868845027d607ec20873373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615905b97e7a125cbd3ec958d1bf9540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c497b3188953ea50e4ed889153d63584.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/6d021ee7-a8bd-4246-bc54-0ef0c2a94666.png?resizew=173)
(1)求正四棱柱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72406478fda1c6e3b8052467385a3bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86eec8526479272d15bb3b171a46de0.png)
您最近一年使用:0次
2024-03-26更新
|
1395次组卷
|
2卷引用:广东省汕头市潮阳实验学校2023-2024学年高二下学期第一次月考数学试题
解题方法
10 . 如图,在四棱台
中,底面
是菱形,
,
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/16/49b2e079-2571-4fa3-88b5-eb6c650030ee.png?resizew=164)
(1)求三棱锥
的体积;
(2)求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8115c7ad0f0fda71c1b986ebc677bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85d7e19a17928e09a22b79e84f5f14de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/16/49b2e079-2571-4fa3-88b5-eb6c650030ee.png?resizew=164)
(1)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07cfcd1c81b27ad23408261c64528c80.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da7977ab975efa6411cc17de39be70d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c52091eb745de866044477641a7c55f.png)
您最近一年使用:0次