1 . 如图1,在平面直角坐标系中,一次函数
交y轴于点B,一次函数
与一次函数
交于点A,将线段
沿着
方向平移得到线段
,连结
,点
,过点D作直线
轴.
(1)点A的坐标是______,线段
______;
(2)证明:四边形
是矩形;
(3)以点O为中心,顺时针旋转矩形
,得到矩形
,点A,B,C旋转后的对应点分别为
,
,
,直线
、直线
分别与直线l相交于点P,Q.记旋转角为α.
①如图2,当矩形
的顶点
落在直线l上时,求点P的坐标;
②在四边形
旋转过程中,当
时,若
,直接写出关于m的方程为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c3d0e5b7fbc71d1e5cbe53a302c1b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8204346e94308e0f4a7b76cb7b6be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c3d0e5b7fbc71d1e5cbe53a302c1b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba3d3230b2847c0daf60bf0f266248d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177e105d92d91009c555bd2672fb1119.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/11/57e36d21-2a80-4163-8f47-efba6c2beaec.jpg?resizew=416)
(1)点A的坐标是______,线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
(2)证明:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
(3)以点O为中心,顺时针旋转矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85fff1dd4920f99effb1d47fdfa24a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1586d3ecae6747312b7892bac03cf8bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
①如图2,当矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85fff1dd4920f99effb1d47fdfa24a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
②在四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/601c71d99134b9202f40b941637879ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4dbd02022e850ec70264cf807ca79aa.png)
您最近一年使用:0次
2 . 已知
,
,
,
,则最大值和最小值的和为__.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22c0ee6e1fcd38af9c1133b4b58cacc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e51cc5688c4afa3f5c4490cbc90b069.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8846238246f2253218b31df9206f4955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be894487d9c9c6fcc3d9355c855df82e.png)
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|
135次组卷
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7卷引用:江苏省盐城市滨海县八巨初级中学教育集团2022-2023学年七年级下学期第一次阶段性学情研判数学试题
江苏省盐城市滨海县八巨初级中学教育集团2022-2023学年七年级下学期第一次阶段性学情研判数学试题江苏省盐城市滨海县滨淮初中教育集团2022-2023学年七年级下学期第一次学情研判数学试题江苏省扬州市高邮市城北中学2022-2023学年七年级下学期3月月考数学试题江苏省扬州市邗江区邗江区实验学校2023-2024学年七年级下学期3月月考数学试题(已下线)专题5.4 分式的加减-【帮课堂】2022-2023学年七年级数学下册同步精品讲义(浙教版)(已下线)数学(苏科版B卷)-学易金卷:2022-2023学年七年级下学期期中考前必刷卷(已下线)第8章 幂的运算【过题型】-2022-2023学年七年级数学下册同步精品课堂(苏科版)
3 . 计算:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348df9b1876d9778e04fa07c42d1577b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2736a5b1838483fef172af24c605a04.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00beb0d70dc8f3e68b18c4e0ea7d4096.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b66fd3be04b298c2da6d5f4d1291f2e.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a668b4c849c40dc3ca8302c5820d18cf.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dbfde3c470f0f656143f85775eaba1d.png)
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4 . 如图,在
中,
,
是角平分线,
是高,
、
相交于点F, 求证:
请在以下的解题过程中的括号里填推理的理由.
证明:∵
平分
(已知)
∴
(_____________________)
∵
(已知)
∴
(_____________________)
∵
是
的高(已知)
∴
(三角形高的定义)
∴
(直角三角形的两锐角互余)
∴
(____________________________)
∵
(_____________________)
∴
(____________________)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7480ab1a16ccbd8f28166cf6b97aad54.png)
证明:∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b28f28ced0531d1df34fcf04c6c67f.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761d56c72ee7b77d407d1ee53c31be2b.png)
∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4557ee10ad429943f40252d9bb90565.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04687cc789a53dc7e7221b86ff816c32.png)
∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289adfea38bc6e77b91ce15eed46a5ad.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d81afc921fa90def40e3e0fdf45313f.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5177e614882eb4ee77a26f075de216b9.png)
∵
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a90224e9856ea9dd8da76ef81bb787c.png)
∴
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7480ab1a16ccbd8f28166cf6b97aad54.png)
您最近一年使用:0次
2023-04-08更新
|
189次组卷
|
6卷引用:江苏省泰州市靖江市实验学校2022-2023学年七年级下学期3月月考数学试题
江苏省泰州市靖江市实验学校2022-2023学年七年级下学期3月月考数学试题(已下线)专题05 三角形的常见模型(考点清单+6种题型解读)-2023-2024学年七年级数学下学期期中考点大串讲(苏科版)(已下线)专题13.5 三角形中的八大经典模型【八大题型】-2023-2024学年八年级数学上册举一反三系列(沪科版)(已下线)专题11.6 三角形中的八大经典模型-2023-2024学年八年级数学上册举一反三系列(人教版)(已下线)专题1.9 三角形中的八大经典模型-2023-2024学年八年级数学上册举一反三系列(浙教版)(已下线)专题7.6 三角形中的八大经典模型-2023-2024学年八年级数学上册举一反三系列(北师大版)
5 . 定义一种幂的新运算:
,请利用这种运算规则解决下列问题:
(1)求
的值;
(2)若
,
,
,求
的值;
(3)若运算
的结果为810,则t的值是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11fede1e73f7ec6135ed79dc788b4cd9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b3cf43021aaa9f5c31e67c610e0ab86.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f69d852a27b9163073b48c0a640dd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ef5ec06e509417082cc688762c3833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc7284e0bb311b82985af8698726d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88745dc7e26686a89fe3633985ffce61.png)
(3)若运算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b3bf38ae9ce43b90d1f2f9a9220d111.png)
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2023-04-07更新
|
274次组卷
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9卷引用:江苏省盐城市景山中学2022-2023学年七年级下学期第一次课堂检测(月考)数学试卷
江苏省盐城市景山中学2022-2023学年七年级下学期第一次课堂检测(月考)数学试卷江苏省盐城市盐城景山中学2022-2023学年七年级下学期第一次月考数学试题江苏省盐城市盐都区盐都区第一共同体 2023-2024学年七年级下学期3月月考数学试题江苏省盐城市滨海县第一初级中学教育集团 2023-2024学年七年级下学期3月月考数学复习试题江苏省盐城市初级中学2023-2024学年七年级下学期第一次月考数学试题(已下线)第06讲 幂的运算(7大考点+7种题型+强化训练)-【帮课堂】2023-2024学年七年级数学下册同步学与练(苏科版)(已下线)第11课 同底数幂的乘法-2022-2023学年七年级数学下册《考点·题型·技巧》精讲与精练高分突破系列(浙教版)(已下线)第8章 幂的运算【过题型】-2022-2023学年七年级数学下册同步精品课堂(苏科版)广东省揭阳市榕城区2022-2023学年七年级下学期期末数学试题
名校
6 . 如图
,四边形
是矩形,动点
从
出发,沿射线
方向移动,作
关于直线
的对称
.
是正方形,直线
与直线
相交于点
,连接
.
①如图
,当点
在线段
上
不包括
和
,说明结论“
”成立的理由.
②当点
在线段
延长线上,试探究:结论
是否总是成立?请说明理由.
(2)在矩形
中,
,
,当点
在线段
延长线上,当
为直角三角形时,直接写出
的长 .
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c64d7f197052b2e8a2153126568caeee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143e346ac3950f60077291dda2be73c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
①如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dddecece1723dbd262cf1293d1c76a1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d303a3292d3c62d7e078f127d3e9c14.png)
②当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d303a3292d3c62d7e078f127d3e9c14.png)
(2)在矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c041b33a5c91faa954a6fc49a7cd1999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
您最近一年使用:0次
名校
7 . 用两种方法证明“直角三角形斜边上的中线等于斜边的一半”.
已知:如图
,在
中,
,
是斜边
上的中线.
求证:
.
:如图
,在
的内部作
,
与
相交于点
.
,
______ .
,
.
又
______ ,
.
.
,
即
是斜边
上的中线,且
.
又
是斜边
上的中线,即
与
重合,
.
请把证法
补充完整,并用不同的方法完成证法
.
已知:如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce7f6d278f2ef7a193b7eed7be6b3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c71622531dfa894f21b2da123d020d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c33a448580d57860a14c9cf3537c29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c23272f249b4ad445a55118901cead.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2de0d10ef8b748d4531250c37c5d3f9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbfb6b42d6bf7605a358c520909368f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63caa9cf1838d9db18285cc44d722039.png)
又
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f3d198e76391779fa3badc848c8ac8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68182d6d56b52214ac09c3e826c69713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c8507788be312503cc9ac63178c60c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcadd33cdc1180b2e6622fc6974b1011.png)
即
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2c0c8cf35a26a344e9bd19350ee77d.png)
又
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a4eaa7ab2b78129369804b228fee86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e16718e16f2ada58db490f442b44401.png)
请把证法
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
您最近一年使用:0次
2023-04-07更新
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186次组卷
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3卷引用:江苏省南京市鼓楼区第二十九中学2022-2023学年八年级下学期3月月考数学试题
8 . 瑞兔迎春,福满万家吉祥物“兔圆圆”拉开2023央视总台兔年春晚的帷幕.竖直的耳朵、微昂的脑袋、挺起的胸脯等设计巧思,彰显出奋进向上的精气神,某商店用1500元购进了一批“兔圆圆”玩具,过了一段时间,又用3500元购进一批“兔圆圆”玩具,所购数量是第一次购进数量的2倍,但每个“兔圆圆”玩具的价格比第一次购进的价格贵了5元.
(1)商店第一次购进“兔圆圆”玩具多少个?
(2)若该商店两次购进的“兔圆圆”玩具按相同的标价销售,全部售完后利润不低于1150元,则每个“兔圆圆”玩具的标价至少是多少元?
(1)商店第一次购进“兔圆圆”玩具多少个?
(2)若该商店两次购进的“兔圆圆”玩具按相同的标价销售,全部售完后利润不低于1150元,则每个“兔圆圆”玩具的标价至少是多少元?
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2023-04-07更新
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2卷引用:江苏省宜兴市丁蜀学区2022-2023学年八年级下学期第二次课堂练习数学试题
9 . 计算:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adeccdcff4a7760a22232b1c71b56a2a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f9c6af8e538d6d9215ace3d24013c98.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c355ac510a1daf8777fd5faf2600f7d5.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/445efe86a5b48f42e5957f4df456a89b.png)
您最近一年使用:0次
2023-04-07更新
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2卷引用:江苏省南京市玄武区科利华中学2022-2023学年七年级下学期3月月考数学试题
名校
10 . 如图所示是驱逐舰、巡洋舰两艘舰艇参与某次演练的情景,已知
,
.
方向上航行,巡洋舰在
方向上航行,假设在航行过程中各自航行方向保持不变,试判断这两艘舰艇会不会相撞?请说明理由;
(2)已知驱逐舰到达点C后沿
继续航行,巡洋舰到达点E后沿
继续航行,且
,
.若驱逐舰在原航向上向左转动
后,才能与巡洋舰航向相同,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1cb1e1502daf5a79dd9bc13630df9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1762dc996219b0861f21f2f480bcee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
(2)已知驱逐舰到达点C后沿
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f066c840b2d40393cddce34ee4ed807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb0c55c0d9b962f6b391bfd59f13c857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81a02387abc7ff6c90e2a4c5448603b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f918e53b9246c548283901ab2cf212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05df5a26c2b978503e93efa040b99508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2023-04-06更新
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6卷引用:江苏省南京市鼓楼区南京大学附属中学2023-2024学年七年级下学期3月月考数学试题