名校
解题方法
1 . 已知
满足
,点
为线段
上一动点,若
最小值为
,则
的面积![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb78f5b08e0ee3e5718482083b5a68bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66dfe406ca95f0de467734554d87d10a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447a9718a502491b47072ce013c26a2f.png)
您最近一年使用:0次
2020-03-19更新
|
868次组卷
|
3卷引用:2019届浙江省台州中学高三上学期第一次统练数学试题
名校
解题方法
2 . 如图,在
中
,点
在线段
上,且
,
,则
的面积的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3bb1ec8dc337d5dfdb1240842d938b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4b26360bb4125f25a9c0cd1344bf6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd939d8255a1f43fa3a058b76109bedc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/2020/8/5/2521507553910784/2522608077914112/STEM/c9cb162250014dd2b2b913afd635d5c8.png?resizew=213)
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2020-08-07更新
|
700次组卷
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2卷引用:宁夏贺兰县景博中学2021届高三上学期统练(四)数学(理)试题
3 . 在四边形
中,
,
,
,
,
,则实数
的值为_______ ,若
是线段
上的动点,且
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/784d093b48df0ba4ae15ea1368fe85e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/915076b13406b8a808eb270c00e7a194.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47fc4f61c458e41230b1448876b121d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3ba8a99fe9f446d0c7fcdff7535e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7c105b7a778d7e54c17c5b66457058.png)
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2021-03-31更新
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455次组卷
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3卷引用:江苏省常州市“教学研究合作联盟”2020-2021学年高一下学期3月阶段调研数学试题
名校
解题方法
4 . 已知
内一点
满足
,
,
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ad7a0476212f686f4c31068a2e7bcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14dc127fa50a735a2176b81d821b7894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/978b2d36d51a51d03885920ab3724ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b11524f18e2691dee7d72a66d23725.png)
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2020-06-20更新
|
647次组卷
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2卷引用:黑龙江省哈尔滨师范大学附属中学2019-2020学年高一下学期第二次(线上)考试数学试题
名校
解题方法
5 . 已知
、
、
是平面内三个单位向量,若
,则
的最小值是________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4097848a8a715676ccfd09ca7dd0e54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb58883caf5c8ca1e94389839d294b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb84dbb7faa34e60b93e117e2e486f22.png)
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2019-11-15更新
|
894次组卷
|
3卷引用:2020届浙江省杭州市高三下学期4月统测模拟数学试题
解题方法
6 . 已知
中内角
的对边分别为
,向量
,
,
为锐角且
∥
,
.若
,则
的周长为_________ .
![](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/a1372103da0c90347b000fcc83f8081d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d15354b62bf0cfd91aaf39f161c06103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e83f77cd56f9781dd84b0fd388f106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
7 . 如图,在
中,
,
,
,
,
,
,若
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f8e6b5ba877fa40b87d67d9bba65bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9c7f043df991feff9a011aa769ab946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39b9ea13c7e00f65c31e105bfb3b52cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845c4ca0ecd0368db3f263300b5d88e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434bd30bcaaa7f60051d7f6b1c12a43b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dfbce7e083cf198ebe31c9582816ba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e087f4d00807644ff4487eeb68828d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc3bf46cace5c2d078b54f7144c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5201fc26d013f6fb889933c0e32f5c53.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/36308adb-1bb9-48af-b3bd-c8fe33974be2.png?resizew=129)
您最近一年使用:0次
2019-11-21更新
|
881次组卷
|
2卷引用:2020届江苏省苏州市外国语学校高三上学期12月月考数学试题
解题方法
8 . 在矩形
中,已知
,
,
为
上一点.
(1)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
_____ ;
(2)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e3e7ca8d61e3b8b944d5b3905355bbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6895035630ceb7851061e1da82f935b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
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2020-04-12更新
|
610次组卷
|
4卷引用:中原金科大联考2019-2020学年高三4月质量检测数学(文)试题
中原金科大联考2019-2020学年高三4月质量检测数学(文)试题2020届中原金科大联考高三4月质量检测数学(文)试题(已下线)文科数学-2020年高考押题预测卷01(新课标Ⅱ卷)《2020年高考押题预测卷》(已下线)第一次月考填空题压轴题十四大题型专练-举一反三系列
14-15高三上·河北石家庄·阶段练习
名校
9 . 在
中,
,
,
,
是
的内心,若
,其中
,
,则动点
的轨迹所覆盖的面积为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae8221601c7bd5c51fd520615581fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/376ae9a6e972aee7d784e7ca59eba58c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d093706141016f4e2fde905738cd481e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e99b858701f58407dba868d2b82063d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2016-12-03更新
|
1957次组卷
|
9卷引用:2015届河北省石家庄市五校联合体高三上学期第一次月考理科数学试卷
(已下线)2015届河北省石家庄市五校联合体高三上学期第一次月考理科数学试卷陕西省西安市长安区第一中学2020-2021学年高三上学期第三次月考数学(文)试题河南省郑州外国语学校2022-2023学年高一下学期第一次月考数学试题【市级联考】四川省乐山市高中2019届高三第三次调查研究考试数学理试题上海市复旦大学附属中学2017-2018学年高二上学期期中数学试题(已下线)专题15 平面向量基本定理及坐标表示-冲刺2020高考跳出题海之高三数学模拟试题精中选萃(已下线)【新东方】高中数学20210527-020【2021】【高一下】(已下线)专题8.6—平面向量—综合练习2-2022届高三数学一轮复习精讲精炼第十一届高二试题(A卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
名校
10 . 在平面直角坐标系xOy中,若直线
上存在一点P,圆x2+(y-1)2=1上存在一点Q,满足
,则实数k的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d095519bc3933e6a157e7457959bbba3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65e17777b2168e7a0337c9b3095e5d8d.png)
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2020-01-18更新
|
543次组卷
|
6卷引用:四川省泸州市泸县第五中学2023-2024学年高二上学期12月月考数学试题
四川省泸州市泸县第五中学2023-2024学年高二上学期12月月考数学试题南京市、盐城市2018届高三年级第一次模拟考试数学(理)试题(已下线)《2018届优等生百日闯关系列》【江苏版】专题一 第五关 以圆或隐圆为背景的填空题(已下线)2017-2018学年度下学期高一数学期末备考总动员C卷(已下线)专题10 直线与圆的应用-《巅峰冲刺2020年高考之二轮专项提升》(江苏)(已下线)第06讲 向量坐标表示与运算+向量平行的坐标表示-【帮课堂】2021-2022学年高一数学同步精品讲义(苏教版2019必修第二册)