名校
1 . 把3名辅导老师与6名学生分成3个小组(每组1名教师,2名学生)开展实验活动,但学生甲必须与教师A在一起,这样的分组方法有________ 种.(用数字作答)
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2019-09-15更新
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355次组卷
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2卷引用:山西省应县第一中学校2018-2019学年高二下学期期末考试数学(理)试题
2 . 已知
是以
为直径的半圆弧上的动点,
为圆心,
为
中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10908218148af79fd79ec92061652af3.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10908218148af79fd79ec92061652af3.png)
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3 . 函数
的图象在点
处的切线方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d68a1bf675a2fd319cbf6590bb4abb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81158db42116f74e7b26e100f88dd535.png)
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名校
4 . 如图,
,垂足分别为
,若
,则
的长为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5be3facae1ecc4cc1c2cb96280f92ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d14af8de7575341e02ee92cd0e33312b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e493fab43e5cf7aa9675e0c40fe15fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2017/8/18/1754646343540736/1754861942030336/STEM/0dce344eb15b4d779ecf09556f41a6d2.png?resizew=118)
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5 . 如图,P是⊙O的直径AB延长线上一点,PC与⊙O相切于点C.∠APC的角平分线交AC于点Q,则∠AQP的大小为 __________ .
![](https://img.xkw.com/dksih/QBM/2016/9/21/1573035383857152/1573035389788160/STEM/842209acb721464389e8ab4fab147fc2.png?resizew=128)
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6 . 15(几何证明选讲选做题)如图,
是圆
的直径,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd41df221293d5cdbab35be6ae5987e.png)
______
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572247535755264/1572247541481472/STEM/6dd94026e36a43a1b1eb042f9fe3dfca.png?resizew=27)
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572247535755264/1572247541481472/STEM/03fd77017d714b17b8152e4a47c614e2.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572247535755264/1572247541481472/STEM/797c984e40ed4074a9de99b557e9f1cc.png?resizew=68)
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572247535755264/1572247541481472/STEM/8021a76cfd17480ba5e4d7239a7419a5.png?resizew=103)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd41df221293d5cdbab35be6ae5987e.png)
![](https://img.xkw.com/dksih/QBM/2015/10/8/1572247535755264/1572247541481472/STEM/0a2644f1caf54e728fc07e6dbfcc6136.png?resizew=121)
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7 . (几何证明选讲选做题)
如图,四边形
内接于圆
,
与圆
相切于点
,
,
为
的中点,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32217457c4e96e2ef155cf15c1b65d97.png)
____________ .
如图,四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d0d5f57a40474205aee752e23ec449d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/154ac25c8c8f83e924f5c9f75181f26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fbdef9d23784b3d2c6dda57634e442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32217457c4e96e2ef155cf15c1b65d97.png)
![](https://img.xkw.com/dksih/QBM/2015/3/26/1572037567160320/1572037572378624/STEM/c507f7dd16254564add61d82d32aef5b.png?resizew=173)
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8 . 如图,四边形ABED内接于⊙O,AB∥DE,AC切⊙O于A,交ED延长线于C. 若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ce519f633407c609e8186a801965e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
![](https://img.xkw.com/dksih/QBM/2015/3/26/1572032789225472/1572032795017216/STEM/b7da73ac241649459d68e9b177e843ab.png?resizew=135)
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9 . 与直线
和圆
都相切的半径最小的圆的方程是___________
![](https://img.xkw.com/dksih/QBM/2011/8/17/1570286949228544/1570286954348544/STEM/2e770812f7124ae2aeb971dc2e38e386.png?resizew=77)
![](https://img.xkw.com/dksih/QBM/2011/8/17/1570286949228544/1570286954348544/STEM/064c213e4a514698b2a98dae7ed2752b.png?resizew=128)
您最近一年使用:0次