名校
1 . 已知
,
,
,且
与
垂直,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02af59613596682734297aebc578801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361357baa2ad35705250c063ef6707d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1a83b969f153faa6ff9ecf12f8d6737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67a5673958e175b00200a75e645c73c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
2 . 已知圆
的圆心为点
,直线
与圆
交于
两点,点
在圆
上,且
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb53a5e73f95e3f46a34965c5c0ac73.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab468a0448699f70470931b66a6cfcb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c273a185a3b6cb29c26455566408ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdcc48fa51cc21ef97c330a8f8feb13a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec9a0ef5960a3c1386b304c5f8fb96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb53a5e73f95e3f46a34965c5c0ac73.png)
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3 . 已知
与直线
交于
两点,且
被
截得两段圆弧的长度之比为
,若
为
上一点,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cec7942a5f1cfc08d239801e00f13d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5881f1ce9b4172ca346032d0fd1e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669e8dfb2b45e6f74d86408343a18fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f96e26a79d12063cdc069e72034df94.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 如图,在四边形ABCD中,
,且
,若P,Q为线段AD上的两个动点,且
.
为AD的中点时,求CP的长度;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50119987599dc1b5052c82612c251b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf2380d0f17444b636980fca03fa2e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c197fbc2ef57f0a97dc6ac7d121b1dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551ff7646f5b26ef0e0ff1e1db7e2d88.png)
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解题方法
5 . 已知
是圆O:
的直径,M,N是圆O上两点,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac144685e50009fa7c9233d85e8bd85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf7683ce32fad2ebca39b05a5c13890e.png)
A.0 | B.-2 | C.-4 | D.![]() |
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|
700次组卷
|
2卷引用:安徽省A10联盟2024届高三4月质量检测考试数学试题
名校
解题方法
6 . 在
中,已知
,
,
,点M是边AB的中点,且
,直线CM与BN相交于点P.
(1)求
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1371fe98a65d8ebd840c8d98346b6d15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf70da2bef86711835648ec4ef8ec5f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2043525d692d0a9568d848748f1ea09a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2ca95656f3e52f58c194e3272c928a.png)
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名校
7 .
中,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() ![]() |
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解题方法
8 . 已知平面向量
,
,
满足
,
,
,
,则
的最大值等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e310702748855c3edccd151aae0143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b311957e153c4ebb3c77fbd58e3a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2ce1d369afa306f76cbc2e4d5c09eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ffb8209f292d00816b232feabaf145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83634e314df24df73ae37d25a44d20e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7日内更新
|
116次组卷
|
2卷引用:安徽省六安第一中学2024届高三下学期质量检测(三 )数学试卷
名校
9 . 已知圆
是圆
外一点,过点
作圆
的两条切线,切点分别为
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/103d4b06eceaa9d448916afd915cafd0.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6eb29f0d8bd81c64e4be3824fae3c60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74518fed7a017a94f2b77a50148cf12c.png)
A.![]() | B.3 | C.![]() | D.![]() |
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7日内更新
|
502次组卷
|
2卷引用:安徽省安庆市第一中学2024届高三下学期6月第四次模拟(热身考试)数学试卷
名校
解题方法
10 . 已知函数
,角A为△ABC的内角,且
.
(2)如图,若角A为锐角,
,且△ABC的面积S为
,点E、F为边AB上的三等分点,点D为边AC的中点,连接DF和EC交于点M,求线段AM的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c2a82f4820d3ffdd52f152c69a70872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbacffbd6184d83356dc34290522529.png)
(2)如图,若角A为锐角,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7cb903441d8e6b4448c3d5d7959d9d7.png)
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