名校
1 . 如图,在扇形
中,
,
,点
为
的中点,点
为曲边
区域内任一点(含边界),若
,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff5c21185c13eae675906dabd3593c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bf7d7fa347c09dedde116bb787a3c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176385d91d5e29324fce4a932eff6a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b134be289a4f56808a7087aa027ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/8/9b69f1cf-147e-4b48-abc7-4c84d087bf28.png?resizew=151)
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2023-02-01更新
|
768次组卷
|
3卷引用:河南省郑州外国语学校2021-2022学年高三上学期调研考试三理科数学试题
2 . 在
中,动点
满足
,则动点
的轨迹与直线
所形成封闭图形的面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb0f80086f00661f02268f999713f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
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解题方法
3 . 如图,在边长为
的菱形
中,
,已知
是
的中点,
,
是
的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91003c414bbc2793c2bcdb2c2ce4ae11.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a58a622e2b1a239f2f96aa1501e9799.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480817428c7694e028d44d2a0691611a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91003c414bbc2793c2bcdb2c2ce4ae11.png)
![](https://img.xkw.com/dksih/QBM/2021/11/28/2861184348340224/2861583370870784/STEM/70b55977dde74321a469f82c3675663e.png?resizew=278)
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4 . 如图所示,已知空间四边形OABC,其对角线为OB,AC,M,N分别为OA,BC的中点,点G在线段MN上,且
,若
,则x,y,z的值分别为____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/979c5801537492a15187fdad44ec216b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5018617f81b54d09a2c8dff844d8a957.png)
![](https://img.xkw.com/dksih/QBM/2021/11/17/2853106827001856/2854511623159808/STEM/f9c2529ba0b34df6b4c0a59a57374af8.png?resizew=118)
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5 . 在菱形
中,
,
,已知
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4273ca0b3739ba5278cb8ee55a9769.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f945a69cf7e8213e50622125cde652f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d8cd7c03225c95a51a793c7d99e91c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52fc6df058e1d782ca8331aabcae556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238c7818c4dcda6b3ec14614320e5ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4273ca0b3739ba5278cb8ee55a9769.png)
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2021-10-26更新
|
711次组卷
|
5卷引用:河南省许昌市2022届高三第一次质量检测(一模)理科数学试题
河南省许昌市2022届高三第一次质量检测(一模)理科数学试题河南省焦作市温县第一高级中学2021-2022学年高三上学期10月月考数学(理)试题(已下线)2021年新高考天津数学高考真题变式题11-15题(已下线)专题15 平面向量-2022年高考数学一轮复习小题多维练(新高考版)(已下线)专题25 三大方法(定义法、坐标法、转化法)解决平面向量数量积问题-备战2022年高考数学之学会解题必备方法技巧规律(全国通用)
6 . 在
中,角
,
,
的对边分别为
,
,
,若
,
,则
边上的中线长的取值范围是______ .
![](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/1b1dd07c0571772e96d318f974724810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d803e27871810c6b8a7d6169144dd61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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7 . 在
中,角
,
,
的对边分别为
,
,
.若
,
为边
中点,
,
,则
的面积为_____ .
![](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/323b8b64ccdb829eaefa2180796012eb.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/a88c44f558705de3bcefcfc0ece96b8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf623a808eaaef1acef2bd44d92d34a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
您最近一年使用:0次
2021-07-31更新
|
202次组卷
|
2卷引用:河南省驻马店市2020-2021学年高一下学期期末数学文科试题
8 . 在平行四边形
中,
,
,
分别为边
,
,
的中点,
,
,
三点共线.若
,则实数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df80b76de1bfd2708516982761d8d9c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
9 . 在平行四边形
中,
为
的中点,
交
于点
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3437421ed07b2f4cb3b066455931f760.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edff1881635893293dd411ead8194aca.png)
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名校
解题方法
10 . 如图所示,在平面四边形
中,
,
,
,
与
交于点
,若
,
(
为常数),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f531efc1514b3ce6df39054c604f9eaa.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1719410d21e3de1242366ce2965e838c.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/9ef5da8a77dcda82fa4c1312b7fe6710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0955a048f4ac3929464cd2a7eb0843dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f531efc1514b3ce6df39054c604f9eaa.png)
![](https://img.xkw.com/dksih/QBM/2021/7/9/2760694776627200/2764602285563904/STEM/d1a726ad8af245d4bb4daafd161c812f.png?resizew=196)
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