名校
1 . 如图,在
中,
,以
边为直径作
交
于点
,过点
作
于点
,
,
的延长线交于点
.
是
的切线;
(2)若
,且
,求
的半径与线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fbbd17c89f03dbb61cd6ffdb9a0344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d64e0206b1814c35cc96bd2b6b12239a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5239826fca7bee4cab3a5a486cecb7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
您最近一年使用:0次
2024-04-15更新
|
213次组卷
|
5卷引用:江苏省宿迁市沭阳县怀文中学2022-2023学年九年级上学期期末数学试题
江苏省宿迁市沭阳县怀文中学2022-2023学年九年级上学期期末数学试题(已下线)专题06锐角三角函数的应用大题专练(五大类型)-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(苏科版)江苏省宿迁市沭阳县怀文中学2022-2023学年九年级上学期1月月考数学试题2024年辽宁省初中学业水平训练卷(三) 数学模拟预测题2024年宁夏银川市北塔中学九年级中考第二次模拟九年级数学试题
2 . 在
中,
,
平分
交
于点
交
于点
,
交
于点
,有以下结论:①四边形
一定是平行四边形;②连接
所得四边形
一定是平行四边形;③保持
的大小不变,改变
的长度可使
成立;④保持
的长度不变,改变
的大小可使
成立,其中所有的正确结论是:________ .(填序号即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a45d141f3e1e3f46ddc63fdc5ce68c.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/18574218da07c7acb52275b2a29d941b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2222eec085423ac1c57089962f3287f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bdae3d30abf70515bdbd45f9d0c380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c114237f609956017bc72f4971d5b375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c114237f609956017bc72f4971d5b375.png)
您最近一年使用:0次
2024-03-22更新
|
188次组卷
|
3卷引用:北京市西城区2022-2023学年八年级下学期期末数学试题
3 . 阅读材料:
已知:如图
,
、
、
、
是抛物线
上的四个点,其横坐标依次记为
、
、
、
,连接
,
,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/f53f3a14-aba8-4bef-a0b4-f7a0b32c26c2.png?resizew=145)
求证:
.
证明:设直线
的解析式为
,直线
的解析式为
,由
得
,则
;同理
,所以
.
应用知识:
(1)由阅读材料可知:当
时,有
,所以
.那么线段
,
中点的连线和
轴的位置关系为______;
(2)如图
,已知抛物线
与
轴交于
,
两点(点
在点
的左边),与
轴交于点
,过点
作直线
的平行线交抛物线于另一点
,交
轴于点
.
①过点
作
轴,交
于点
.求证:
;
②若
,求
的值.
已知:如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d92dc7f59572fc5aeba24c37ef09a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c97938d07092ac2803ff89a47e5b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0189322d31e9b630ab0c0df14aa030a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6c00cb2047fdede2e5a46d83a6a411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97d6ab4479fca30268660739ec6852c3.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/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/f53f3a14-aba8-4bef-a0b4-f7a0b32c26c2.png?resizew=145)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288502d898f3fae37b2e6341c50819c5.png)
证明:设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f8ef5ab6007dcbc90d01031eb42e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d50f49715f02c060cd4b3f68800415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e17681288ee0fcf803de2f4db4d23e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f644700a4086e230b2c4c88f25f3acf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f09c40d500a9a89e57ddebae2336c8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288502d898f3fae37b2e6341c50819c5.png)
应用知识:
(1)由阅读材料可知:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/288502d898f3fae37b2e6341c50819c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da44f96a94bc007d11ef2b1a3a3e43b.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/d053b14c8588eee2acbbe44fc37a6886.png)
(2)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd59eef0d7b1458a15227e399d522f06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
①过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc772602714064ebed5e896c6a700998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff56ea00ca90825f3d95809de24f639.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce979c87f97834bf6cc4d6ddac19de33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/8cb75ceb-e81f-4626-a4c5-62aa6a6609bd.png?resizew=148)
您最近一年使用:0次
名校
4 . 在
中,
,
,
,点P从点A开始沿
边向点B以1cm/s的速度移动,点Q从点B开始沿
边向点C以2cm/s的速度移动,设P、Q分别从A、B同时出发,运动时间为t秒.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/3d9dacf1-8dcc-4f86-9d68-0ebafa99bf94.png?resizew=110)
(1)当t为何值时,
的面积等于8cm2.
(2)请问P、Q两点在运动过程中,是否存在
,若存在,请求出此时t的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d9142db4dd2ef151bf3d4a63afb61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6747441b260ca043446b5d472fece440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b276eec990e6edaae4bd27440dd3eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/3d9dacf1-8dcc-4f86-9d68-0ebafa99bf94.png?resizew=110)
(1)当t为何值时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c495b8fd7f7bb21c177c9d50fbf6919.png)
(2)请问P、Q两点在运动过程中,是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b0a8ce98e195c4fa22af9b71defc28.png)
您最近一年使用:0次
名校
5 . 如图,在
中,
,动点P从点A出发,以
的速度沿
方向向终点B运动,当点P不与点A重合时,过点P作
于点D,
,过点D作
,
与
相交于点E.设点P的运动时间为t
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/454ac952-359e-4ed4-ba92-9e372356669c.png?resizew=163)
(1)线段
的长
;(用含t的代数式表示)
(2)当点E落在
边上时,求t的值;
(3)设
与
重叠部分的面积为
.求S关于t的函数解析式,并直接写出自变量t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39c49252c30067048cbefd56cd74bd52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c317a2e011d24dba118a3d80f799bd08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2951b9f77413d5f062acb300b09de1f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d0157310b49104bd2f604b4f83ecd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066cd386723885c535ea720f5817847a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658a4628220e7ef54824f10dc98d56d0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/454ac952-359e-4ed4-ba92-9e372356669c.png?resizew=163)
(1)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
(2)当点E落在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d06fad1ed5a452a835e9a02cb011ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb194fd63b75af067ba10dee7471d299.png)
您最近一年使用:0次
6 . 如图:四边形
内接于
,且
,
为
的直径,过A作
于E,X、Y在
上,满足
,M为
的中点.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d45907c3ea211a810bbf941a0bd0e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c51c25b65a37b676ae3c3b71c29f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41d887f8bc8e88363c761a91504ef07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267751d87c3186704eec252cc97d1772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8099c66ae9bcb7cb7ae8d9d7bcd9aee1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/29/cd26889d-9a58-4bde-8c06-ed6616354be6.png?resizew=162)
您最近一年使用:0次
7 . 如图,矩形
的四个顶点分别在直线
,
,
,
上,若直线
且相邻两直线间距离相等.若
,
,则
,
之间的距离为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f2813ee8f26cca880b6427f5f545d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a120b008b7be40c9d6f6079bca61652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/94dd995a-d29a-44bf-a5c7-0ce5130708f3.png?resizew=150)
A.5 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 如图,
,若
,
,则
等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/d8b52f82-0ade-4991-943e-2f395c80f034.jpg?resizew=164)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b64254ccf2bf88337f4e88055a0cc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3effb851312273be31de638e80bf821c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eeb94acdc3de00655e6e29d5372da09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/27/d8b52f82-0ade-4991-943e-2f395c80f034.jpg?resizew=164)
A.![]() | B.3 | C.![]() | D.4 |
您最近一年使用:0次
9 . 如图,在
中,
平分
,按如下步骤作图:第一步,分别以点A、
为圆心, 以大于
的长为半径作弧, 两弧交于点
、
;第二步,过
、
两点作直线,分别交
、
于点
、
;第三步, 连接
、
.若
,
,
,则
的长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/73121ef3-91ea-4223-bc24-91d51d495658.png?resizew=128)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c86b0118d4adeaf60493d13854fffc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4cb1a4c5afb590c7c17de14d15651e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb49a110acec1e86b8e8969300f0cd2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71e6ea7333dbc78d0a7b9bc3892f940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495be6a6b940e8affe38f2bcdee246b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673ef2d48215ca84a48377f17d6df00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/73121ef3-91ea-4223-bc24-91d51d495658.png?resizew=128)
A.12 | B.11 | C.13 | D.10 |
您最近一年使用:0次
10 . 如图,在平面直角坐标系中,
的顶点坐标分别为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/89c297dc-06e9-4457-83b9-4758f9d6c429.png?resizew=199)
(1)在
轴右侧、以
为位似中心,将
按相似比为
缩小,画出
;
(2)在线段
上找一点
使
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a638babd32197c44fb70f4491c2678e5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/89c297dc-06e9-4457-83b9-4758f9d6c429.png?resizew=199)
(1)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d65e051e943ab28fa57aee2fb57994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ccb53c74f1cbb6e79bbc99c338079.png)
您最近一年使用:0次