1 . 已知平面上四个点
,
,
,
.设
是四边形
及其内部的点构成的集合,点
是四边形对角线的交点,若集合
,则集合S所表示的平面区域的面积为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8232677e6eed1cd2e834665aa65e520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/791fe76f766e7b0d17f01c179fe2e394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c9c767265585104fe3cfa615b902c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5726a77e70012774fdc2eef269ad39b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289d7a880379d6060065c829b45b0ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a292eaab7001822204c2a06a88d985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e367975cd9882f21334ffc8a92745161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e3534b331b381343a72cce9f3e8e0d.png)
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解题方法
2 . 已知以
为起点的向量
在正方形网格中的位置如图所示,网格纸上小正方形的边长为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40cba83244c4f6b87c88859d89f252a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/13/eb6d6e73-5bd7-4400-83a9-7213c4ce15d1.png?resizew=167)
①![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bccdd7562a91cca3d9e166fc09117b6.png)
___________ .
②设集合
,则
表示的区域的面积为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ccba3b87a8a48ac3dd5f72d00bdb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40cba83244c4f6b87c88859d89f252a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/13/eb6d6e73-5bd7-4400-83a9-7213c4ce15d1.png?resizew=167)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bccdd7562a91cca3d9e166fc09117b6.png)
②设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62c4fe25b9e287b28fd2c45bc964e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2022-07-11更新
|
244次组卷
|
3卷引用:专题09 线性规划
名校
解题方法
3 . 城市的许多街道是相互垂直或平行的,因此,乘坐出租车往往不能沿直线到达目的地,只能按直角拐弯的方式行走.在平面直角坐标系中,定义
为两点
、
之间的“出租车距离”.给出下列四个结论:①若点
,点
,则
;②到点
的“出租车距离”不超过1的点的集合所构成的平面图形面积是π;③若点
,点B是圆
上的动点,则
的最大值是
.其中,所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bea37e25ba5e11e5e2c428996f74e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3ef49279c7b022ceadac5e91b6e7953.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3bcb4828b16c8e845492f1a53ddd9a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53156a895d6231cfdc10e1d017d4ece9.png)
您最近一年使用:0次
2022-04-07更新
|
65次组卷
|
2卷引用:四川省内江市资中县球溪高级中学2021-2022学年高二下学期3月月考数学(理)试题
4 . 满足约束条件
的点
所在平面区域的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2f5d43bd77d3fa1641222dce31566d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
您最近一年使用:0次
解题方法
5 . 在区间
上任取两个数,则这两个数之和大于
的概率是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c55e4f3eda94bc505f103b10bc1fee7.png)
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解题方法
6 . 若不等式组
表示的平面区域为
,
所表示的平面区域为
,现随机向区域
内抛一粒豆子,则豆子落在区域
内的概率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60d92969a0c152c3576dc15b3fc7a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac624f921a4282e16b160384c47414d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
7 . 已知O,A,B为平面上三点,若
,
,动点P和实数
,
满足
,
,
,则动点P轨迹的测度是__________ .(注:当动点的轨迹是曲线时,其测度指其长度;当动点的轨迹是平面区域时,其测度指该区域面积.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbabeab7e7d0e4bcd21a188362b5b9f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22905409f038387f0e954a47384b60a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59bca4c0ab83a3ca3b0ebf03281be74f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b381aeca13cc17c8217a6db4d2c2ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a22570173ffa333a304977f3ee7df28.png)
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解题方法
8 . 若实数
,
满足约束条件
,则可行域面积为____________ ,
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f3b29fcc4b1beb63b1ec5999d39ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1995404eb114809bc18fbdb4f1388b2.png)
您最近一年使用:0次
名校
9 . 已知
,若不等式组
表示的平面区域的面积为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244711dc2b17dabfd4087dc384946427.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c6c25f151cea671f13cac2815894b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bde6ed2352dac02abc2ec86f8d9b967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff3bf2007903adc64d089a054c2284a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/244711dc2b17dabfd4087dc384946427.png)
您最近一年使用:0次
名校
10 . 设x,y满足约束条件
,则
的概率为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abae5dd7187f3dc15eec2949fd3558e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47501c3431773f2343722fcbea8f45a.png)
您最近一年使用:0次