1 . 如图,圆和直角梯形
,其中
,且
三点在圆上,则圆的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0bc7133c0760d8e6e8ab10f79dcec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c40e45fdb98b87035089ba2d435eb4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/f036966f-0fb5-40bb-8f0e-158ca8c6fc42.png?resizew=123)
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2 . 已知
是不同的直线,
是不同的平面,则下列四个结论:
①若
,则
;②若
,则
;
③若
,则
;④若
,则
;
以上结论中,正确的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ff2912fd8d93b6e692936d95b727c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474929dd8e89d9ce37448ae72b48d04f.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc93cd177aa4ffb2c7833da94d9c7cc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc7436c4348105e53df13549e6517521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b330d69a949d9b55f4b6f18f47e0a37.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c3828a8b361ad0e129b40a02a303a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f293f91d0d082ea70a0da457c6f4d5ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f345365fe0a1986b80299f7a99a306.png)
以上结论中,正确的序号是
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3 . 函数
的零点有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37e66b25020580240f9931459abce21.png)
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4 . 已知扇形的圆心角为2,其所对弦长也为2,该扇形的面积为______ .
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5 . 已知幂函数
在
上单调递减,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636cceafd2c0a70db578c6a4b3615cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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6 . 已知
,
,其中
,
,若
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b93656d46e8bd1ac7e9d14659d42c6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c5d62184910f1faa373f8971f8b240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd93ee03569849295ebde055410d1b84.png)
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解题方法
7 . 若,则
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2024-01-31更新
|
763次组卷
|
2卷引用:湖北省咸宁市崇阳县第二高级中学2023-2024学年高一下学期寒假检测数学试题
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8 . 已知实数a,b,c满足
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7a6cd12fdec7d541a5ff7518055290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ba518fd16980c8e0692630cfe88c5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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9 . 若向量
,
,且
,则
与
的夹角为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86e33bd062439060bc3aab54db068a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddeba6f8955d9c5d0b8cf49c2eba7e3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc852a3dc52faf1a74c88843045a704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd8bbf47b69bbd7a6263b041290d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
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10 . 有一组按从小到大顺序排列的数据:3,5,
,8,9,10,若其极差与平均数相等,则这组数据的中位数为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2023-09-05更新
|
1910次组卷
|
4卷引用:湖北省武汉市江汉区2023-2024学年高二上学期8月新起点摸底考试数学试题