1 . 如图,在平面直角坐标系中,直线
与
轴交于点
,与
轴交于点
,过点
的另一条直线交
轴的正半轴于点
,且
,点
为线段
中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/23/35911bc9-0e1c-4d8e-a3dd-e054be81b764.png?resizew=395)
(1)求直线
的解析式;
(2)如图1,连接
交
轴于点
,连接
.
①求证:
;
②求出点
的坐标;
(3)如图2,点
为
轴上一动点,连接
,以
为腰,G为直角顶点,向
右侧作等腰直角三角形,在
点的运动过程中,当顶点
落在直线
上时,求点
的坐标(直接写出答案).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b5062be5cf27ae8089ad0c25d1b7c3.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef520a2657abdf14fa6818c380b596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/23/35911bc9-0e1c-4d8e-a3dd-e054be81b764.png?resizew=395)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)如图1,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff29971ccc633d89832ffa9bd54afa3.png)
②求出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)如图2,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
您最近一年使用:0次
2 . 如图,
是等腰直角三角形,
,
是斜边
的中点,以点
为顶点作等腰直角
,分别交边
,
于点
,
.若
,
,则
的面积是______ .
![](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/8455657dde27aabe6adb7b188e031c11.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/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/620fd368efb51a5ae90c0f3e276704d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0c0a86deb65f22cc1f2196c084e2be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/23/d7f42b5b-b66c-4ef3-9a60-adc028ce409a.png?resizew=146)
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2022九年级·浙江·专题练习
3 . 如图,在给定的一张平行四边形纸片上按如下操作:连接AC,分别以点A,C为圆心画弧,交于M,N两点,直线MN与AD,BC分别交于点E,F,连接AF,CE.若AC=4,EF=2,则AE的长是______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/1/8496d570-563d-4e06-9dd4-eeb672442e90.png?resizew=172)
您最近一年使用:0次
2022-05-10更新
|
118次组卷
|
4卷引用:2021年浙江省湖州市长兴县中考数学检测试卷(二)
2021年浙江省湖州市长兴县中考数学检测试卷(二)(已下线)专题18 平行四边形的性质与判定-备战2022年中考数学母题题源解密(浙江专用)(已下线)考点17 平行四边形的性质与判定-备战2022年中考数学一轮复习考点帮(浙江专用)广东省汕头市潮南区陈校店镇校性联考2022-2023学年八年级下学期6月月考数学试题
4 . 如图,已知BE⊥AD,CF⊥AD,且BE=CF.
![](https://img.xkw.com/dksih/QBM/2022/3/8/2932059267514368/2961595351244800/STEM/7608146f6cbe432bbc7c67e23e3a9b4a.png?resizew=184)
(1)请你判断AD是△ABC的中线还是角平分线?说明你判断的理由.
(2)连接BF,CE,求证:四边形BECF是平行四边形.
![](https://img.xkw.com/dksih/QBM/2022/3/8/2932059267514368/2961595351244800/STEM/7608146f6cbe432bbc7c67e23e3a9b4a.png?resizew=184)
(1)请你判断AD是△ABC的中线还是角平分线?说明你判断的理由.
(2)连接BF,CE,求证:四边形BECF是平行四边形.
您最近一年使用:0次
2022-04-19更新
|
201次组卷
|
2卷引用:2021年浙江省湖州五中中考数学第一次质检试卷
5 . (1)沛沛沿一段笔直的人行道行走,边走边欣赏风景,在由C走到D的过程中,通过隔离带的空隙P,刚好浏览完对面人行道宣传墙上的一条标语(即线段AB):人民对美好生活的向往,就是我们奋斗的目标.具体如下:如图,AB∥PM∥CD,相邻两平行线间的距离相等,AC,BD相交于P,PD⊥CD垂足为D.已知CD=16米.请根据上述信息求标语AB的长度.
(2)节能又环保的油电混合动力汽车,既可以用油做动力行驶,也可以用电做动力行驶.某品牌油电混合动力汽车从甲地行驶到乙地,若完全用油做动力行驶,则费用为80元;若完全用电做动力行驶,则费用为30元.已知汽车行驶中每千米用油费用比用电费用多0.5元,求甲、乙两地的距离是多少千米?
(2)节能又环保的油电混合动力汽车,既可以用油做动力行驶,也可以用电做动力行驶.某品牌油电混合动力汽车从甲地行驶到乙地,若完全用油做动力行驶,则费用为80元;若完全用电做动力行驶,则费用为30元.已知汽车行驶中每千米用油费用比用电费用多0.5元,求甲、乙两地的距离是多少千米?
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932384145219584/2961047513726976/STEM/7614caa3-192a-4fee-aaa2-b155508c8118.jpg?resizew=323)
您最近一年使用:0次
6 . 如图,等边△ABC内接于⊙O,P是
上任一点(点P与点A,B重合),连接AP,BP,过点C作CM∥BP交PA的延长线于点M.
![](https://img.xkw.com/dksih/QBM/2021/12/20/2876344320712704/2880898309906432/STEM/23e5a599-0a6d-4afc-9158-167fe0e6aecb.png?resizew=208)
(1)求∠APC和∠BPC的度数;
(2)求证:△ACM≌△BCP.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://img.xkw.com/dksih/QBM/2021/12/20/2876344320712704/2880898309906432/STEM/23e5a599-0a6d-4afc-9158-167fe0e6aecb.png?resizew=208)
(1)求∠APC和∠BPC的度数;
(2)求证:△ACM≌△BCP.
您最近一年使用:0次
7 . 如图,在
中,AD是角平分线,E,F分别为AC,AB上的点,且
.
![](https://img.xkw.com/dksih/QBM/2021/10/13/2828524875923456/2830417074298880/STEM/98e98413-2480-43c9-90c7-87765949af98.png)
(1)求证:
;
(2)DE与DF有何数量关系?请说明理由.(可根据答卷图中的提示解答)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2187f9a631888494e65e669500c6ea.png)
![](https://img.xkw.com/dksih/QBM/2021/10/13/2828524875923456/2830417074298880/STEM/98e98413-2480-43c9-90c7-87765949af98.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ecf700228c925aeb7067981efa2f90e.png)
(2)DE与DF有何数量关系?请说明理由.(可根据答卷图中的提示解答)
您最近一年使用:0次
2021-10-16更新
|
343次组卷
|
2卷引用:浙江省湖州市长兴县2021-2022学年八年级上学期10月月考数学试题
8 . 如图,
的面积是30cm2,以顶点A为圆心,适当长为半径画弧,分别交AC、AB于点M、N,再分别以点M、N为圆心,大于
的长为半径画弧,两弧交于点P,作射线AP,过点C作
于点D,连接BD,则
的面积是( )
![](https://img.xkw.com/dksih/QBM/2021/10/13/2828524875923456/2830417073602560/STEM/7308060a-3d06-47d9-ad3d-7073e34388bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94e1ca12da27075e5241b7c7ce74672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0910601e7d760188d10beee6a48f2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd4c625a55ef1d2920a0605d52c8da23.png)
![](https://img.xkw.com/dksih/QBM/2021/10/13/2828524875923456/2830417073602560/STEM/7308060a-3d06-47d9-ad3d-7073e34388bd.png)
A.15cm2 | B.14cm2 | C.13cm2 | D.12cm2 |
您最近一年使用:0次
解题方法
9 . 特例感知
(1)如图,已知在
中,
,
,取
边上中点
,连结
,点
为
边上一点,连结
,作
交
于点
,求证
;
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726499348627456/2729571339829248/STEM/7fc7c6be-8795-4b06-8327-34e3da80e0cb.png)
探索发现
(2)如图,已知在
中,
,
,取
边上中点
,连结
,点
为
延长线上一点,
,连结
,作
交
延长线于点
,求
的长;
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726499348627456/2729571339829248/STEM/45d1d0dc-0706-40fe-aa5e-aa5da11d81c5.png)
类比迁移
(3)如图,已知在
中,
,
,取
边上中点
,连结
,点
为射线
上一点(不与点
、点
重合),连结
,将射线
绕点
顺时针旋转30°交射线
于点
,当
时,求
的长.
(1)如图,已知在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c175c239742c7ba8fd67a6d5f99cb1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97075fe3c2a105f5d2d0a27a9f2b3410.png)
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726499348627456/2729571339829248/STEM/7fc7c6be-8795-4b06-8327-34e3da80e0cb.png)
探索发现
(2)如图,已知在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e4f0c1c9cca0555906d8a53e1a6803d.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1364213f546b37f8764ddcb59e36ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c175c239742c7ba8fd67a6d5f99cb1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726499348627456/2729571339829248/STEM/45d1d0dc-0706-40fe-aa5e-aa5da11d81c5.png)
类比迁移
(3)如图,已知在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a566b100fb2ebe3d208f9b6527934218.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5216f71a99ba3a920e4f96799b40de9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://img.xkw.com/dksih/QBM/2021/5/22/2726499348627456/2729571339829248/STEM/2f4c099e-9d4d-4dab-9c98-5088e295811d.png)
您最近一年使用:0次
2021-05-26更新
|
296次组卷
|
2卷引用:2021年浙江省湖州市南浔区中考数学二模试题
10 . 如图,在平面直角坐标系中,已知
,
,
,点
的坐标为
.
![](https://img.xkw.com/dksih/QBM/2021/1/8/2638689756200960/2670076795346944/STEM/1f35a016-9ece-4b9c-ade9-6606feea8c5e.png)
(1)求点
的坐标.
(2)求过点
,
,
的二次函数的表达式.
(3)设点
关于二次函数的对称轴
的对称点为
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129f2a8a3a38ec4119d5e1016dd04f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bed22997b4ccaa77e2580545b849123d.png)
![](https://img.xkw.com/dksih/QBM/2021/1/8/2638689756200960/2670076795346944/STEM/1f35a016-9ece-4b9c-ade9-6606feea8c5e.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(3)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e22eee855bbbb0114b254b3804359c8.png)
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