解题方法
1 . 在
中,
,
,点
在
内部,
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8bd8c13192ca45c16dad5d59b547220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcaaa2cfd30ab92940a2d88d9d6eda3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db0099e4cad6a39b2135f84294765de.png)
您最近一年使用:0次
名校
解题方法
2 . 在锐角
中,角A,B,C的对边分别为a,b,c,
,
,
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fcb6228f261d89c5454533c7264d0c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4808e101eea810eed912c4da129f2c76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611ac9d3f040cef52e4559267fd7b632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2022-06-10更新
|
1195次组卷
|
5卷引用:2022届全国新高考Ⅱ卷仿真模拟数学试卷(三)
2022届全国新高考Ⅱ卷仿真模拟数学试卷(三)(已下线)专题20 解三角形(已下线)考点4-3 解三角形(文理)(已下线)专题20 解三角形-3青海省玉树州州直高中2021-2022学年高三下学期第四次大联考数学(理科)试题
解题方法
3 . 如图,在平面四边形ABCD中,
,
,
,
,则四边形ABCD面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1a572636ed4d26d323092ff0fc06f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce75bcf9db342f2265335d90593cba2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26f5474a221bc834b05eca0c293e284b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d79e7020414add95907e061df505ef0.png)
![](https://img.xkw.com/dksih/QBM/2022/6/4/2993881353330688/2995468360368128/STEM/0cfd2244-0f97-4cde-a30d-ff1c2a873a9b.png?resizew=155)
您最近一年使用:0次
名校
解题方法
4 . 已知
的面积为
,则边长
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e9e22cbb935ab70e7c449cc9b79102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
2022-06-01更新
|
688次组卷
|
6卷引用:东北三省三校(哈尔滨师大附中、东北师大附中、辽宁省实验中学)2022届高三第四次模拟联考文科数学试题
东北三省三校(哈尔滨师大附中、东北师大附中、辽宁省实验中学)2022届高三第四次模拟联考文科数学试题(已下线)2022年全国高考甲卷数学(理)试题变式题5-8题(已下线)2022年全国高考甲卷数学(文)试题变式题5-8题(已下线)2022年全国高考甲卷数学(理)试题变式题5-8题(已下线)2022年全国高考甲卷数学(文)试题变式题13-16题(已下线)2022年全国高考甲卷数学(理)试题变式题13-16题
解题方法
5 .
中,
,若
,则
边上的高的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898cb22ba09ab5d8808029e11d64db29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2022-05-27更新
|
298次组卷
|
2卷引用:东北三省四市教研联合体2022届高三下学期模拟试卷(二)文科数学试题
解题方法
6 . 已知直四棱柱
的所有顶点都在球
的球面上,
,
,直四棱柱
的体积为
,则球
的半径为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ea4bd288944d3ba3d6a319de869dce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96e193a1904b69e54b4e26843065482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e8016c54179f8a648d960c36217195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
解题方法
7 . 已知△ABC中,角A,B,C所对的边分别为a,b,c,若
,
,△ABC的面积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5818dc01b2176ced7d17323e948d781.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb0328509d92a3c9081214f21592aaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2022-04-29更新
|
670次组卷
|
3卷引用:皖豫名校联盟体2022届高中毕业班第三次联考文科数学试题
8 .
的内角
,
,
的对边分别为
,
,
,面积为
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ba8e2925faaf4a8419a93d756d92d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
您最近一年使用:0次
2022-04-29更新
|
514次组卷
|
3卷引用:2022年普通高等学校招生全国统一考试理科数学(黑卷)试题
9 . 在锐角
中,
,
,点D在线段
上,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad6295313e59c3e6f053fbfec5ca9d1.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee63d7a67287c5254793609eef77f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59802bde1dc59ba9000157b08463b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7650cede07c4758a9b3bb1da4553acc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad6295313e59c3e6f053fbfec5ca9d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
您最近一年使用:0次
2022-04-23更新
|
764次组卷
|
4卷引用:七省联考2024届高三考前数学猜想卷(一)
七省联考2024届高三考前数学猜想卷(一)浙江省嘉兴市2022届高三下学期4月教学测试(二模)数学试题浙江省金华市曙光学校2022届高三下学期5月模拟数学试题(已下线)临考押题卷04-2022年高考数学临考押题卷(浙江卷)
解题方法
10 . 在锐角三角形
中,角
,
,
所对的边分别为
,
,
,已知
,
,
,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf0b9b24c44f56961262b7ed05b5f0cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e93b0dc7af2b541fbad828a34d29fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2022-04-14更新
|
862次组卷
|
3卷引用:2022年全国100所名校最新高考模拟示范卷高三理科数学卷(五)
2022年全国100所名校最新高考模拟示范卷高三理科数学卷(五)贵州省普通高等学校招生2022届高三全国统一模拟测试数学(理)试题(已下线)3.5 正余弦定理(精讲)-【一隅三反】2023年高考数学一轮复习(基础版)(新高考地区专用)