1 . 在
中,角A,B,C的对边分别为
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5797d94fcefbf1c0d1b0a782b5668f68.png)
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2018-06-06更新
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372次组卷
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2卷引用:【全国市级联考】山东省日照市2018届高三校际联考文科数学试题
2 . 已知三角形
所在平面与矩形
所在平面互相垂直,
若点
都在同一球面上,则此球的表面积等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6fcb73dcf0f1286e3374ba67164061c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a92345d331135fcbe82d9a2fd31c63.png)
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2018-06-05更新
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2卷引用:【全国市级联考】山东省潍坊市青州市2018届高三第三次高考模拟考试数学(文)试题
名校
3 . 设抛物线
的焦点为
,
为抛物线上第一象限内一点,满足
,已知
为抛物线准线上任一点,当
取得最小值时,
的外接圆半径为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a499bb7ab9d720e663ec50f9355469d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abeecbeb608c686ea8c36221a4d8fc46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77613db85ffeb465c581955c4b2885ea.png)
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2018-06-01更新
|
2991次组卷
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4卷引用:【全国市级联考】山东省潍坊市2018届高三第三次高考模拟考试数学(文)试题
【全国市级联考】山东省潍坊市2018届高三第三次高考模拟考试数学(文)试题【全国市级联考】山东省潍坊市2018届高三第三次高考模拟考试数学(理)试题黑龙江省鹤岗市第一中学2019-2020学年高二上学期期中数学(理)试题(已下线)专题9-1 圆锥小题压轴九类-2022年高考数学毕业班二轮热点题型归纳与变式演练(全国通用)
解题方法
4 . 在
中,
,
,
成等比数列,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/86f76f1f06566fb111331bb6e356660e.png)
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解题方法
5 .
的面积
,角
的对边分别为
,
,
,
的内切圆半径等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5673603f525b063eb324c30e648eb37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e2557d6c0eeb8e56c84db1c4931c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f13a05f5aca98574bb1f927123490de4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8bfa350068dc359f3639abc1ed8cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080847ea9c2a699f3af00a3b9d17106c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
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2018-04-23更新
|
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2卷引用:山东K12联盟2018届高三开年迎春考试数学(理)试题
名校
解题方法
6 . 在
中,角
所对的边分别是
,若
,
,且
,则
的面积等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45373166e0a004b3b4d910655d409b94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1048020633c551efd66c6cb6702ba8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2018-03-30更新
|
1202次组卷
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9卷引用:【全国百强校】山东省师大附中2019届高三上学期第二次模拟考试数学(理)试题
【全国百强校】山东省师大附中2019届高三上学期第二次模拟考试数学(理)试题云南省昆明市2018届高三教学质量检查第二次统考理数试题云南省昆明市2018届高三教学质量检查(二统)文科数学试题(已下线)【全国百强校】河北省衡水中学2019届高三上学期五调考试数学(文)试题【全国百强校】重庆市西南大学附属中学校2019届高三第九次月考数学(理)试题2019届湖南省长沙市第一中学高三第五次月考数学(文)试题四川省内江市威远中学2020-2021学年高三3月月考数学(文)试题四川省内江市威远中学2020-2021学年高三3月月考数学(理)试题江西省宜春市铜鼓中学2021-2022学年高二下学期第一次月考实验班数学(理)试题
7 . 在
中,角
,
,
所对的边分别为
,
,
,且
,
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/abc7bd15c867b729cd44ef29a04b7880.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7c2add864a7819219edce0d26f8395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
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2017-10-17更新
|
983次组卷
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2卷引用:山东省栖霞市第一中学2018届高三4月模拟考试数学(理)试题
名校
8 . 已知
为
的内角,且
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e3e22f29524fecc83a394d718a8c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29c6ca8ea591e061a3542189457c4f9.png)
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2017-10-11更新
|
411次组卷
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2卷引用:齐鲁名校教科研协作体山东、湖北部分重点中学2018届高三第一次调研联考数学(文)试题
名校
9 . 在
中,内角
,
,
的对边分别为
,
,
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.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/f1e2074931008f9f82bc0f900e686ef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56d819452606f3e63347b8d375cda81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2017-05-21更新
|
511次组卷
|
4卷引用:山东省枣庄市第三中学2017届高三全市“二调”模拟考试数学(理)试题
名校
10 . 已知下列命题:
①
的否定是:
;
②若
,则
;
③若
,
;
④在
中,若
,则
.
其中真命题是_______________ .(将所有真命题序号都填上)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d152d09d3bc9607ff8017c8a4fb145ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bdfeca230c7df1910829d7055ee9d12.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7edecfbf1b4e1052468d209e8f017a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c25f5bf4f6649981105528f17c3a809f.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd3334b794e7c2806a6dcc32008f2ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999d309a7a996741ae960b3713b9664b.png)
④在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca51be437b1a97ca92aa1159ab71102c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19dc38d888741a1b2e95fe0773a48c38.png)
其中真命题是
您最近一年使用:0次
2017-05-16更新
|
1033次组卷
|
3卷引用:山东省日照市2017届高三下学期第二次模拟考试数学(理)试题