19-20九年级下·浙江温州·期末
解题方法
1 . 如图1是一盏可调节台灯,图2,图3为示意图,
为固定底座,且
于点O,
为固定支撑杆,
为可绕着点B旋转的调节杆,灯体
始终保持垂直
为台灯照射在桌面的区域,如图2,旋转调节杆使
,已知此时
,
,点M恰好为
的中点,此时![](https://staticzujuan.xkw.com/quesimg/Upload/formula/743c30a2441c1f947ea612e182238003.png)
______ ,如图3,旋转调节杆使
,则此时![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2b3247afa684b10c8e1da99cf33d5b.png)
______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24ebbece8044a32fedfb1193fc508f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fa87ac2b7d6a58f5aaee923d83f799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3186a4736a9f5ee3aa5efd4aa8a7b9c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e395831eddeca6f5ae769b2dfa2b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f281bf278cd57688822ef5213a4bcec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/743c30a2441c1f947ea612e182238003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af620f6d204d310d8e3f267fdd6c3f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2b3247afa684b10c8e1da99cf33d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af089fd292ba69ddef79e9ab1cac77ca.png)
![](https://img.xkw.com/dksih/QBM/2021/5/5/2714351127707648/2714475180621824/STEM/ba4fa372-ee7a-4f67-bcc4-7f462945280c.png)
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2 . 如图,四边形ABCD是边长为3的正方形,点E在边AD所在的直线上,连接CE,以CE为边,作正方形CEFG(点C、E、F、G按顺时针排列),连接BF.
(1)如图1,当点E与点D重合时,BF的长为 ;
(2)如图2,当点E在线段AD上时,若AE=1,求BF的长;(提示:过点F作BC的垂线,交BC的延长线于点M,交AD的延长线于点N.)
(3)当点E在直线AD上时,若AE=4,请直接写出BF的长.
(1)如图1,当点E与点D重合时,BF的长为 ;
(2)如图2,当点E在线段AD上时,若AE=1,求BF的长;(提示:过点F作BC的垂线,交BC的延长线于点M,交AD的延长线于点N.)
(3)当点E在直线AD上时,若AE=4,请直接写出BF的长.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/79a3ed83-ba16-4aaa-829b-741579e19e39.png?resizew=457)
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2021-04-11更新
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3卷引用:河南省许昌市2017-2018学年八年级下学期期末数学试题
3 . 如图,在
中,高
和
交于点
,且
.①
;②
;③
;④若
于点
,则
.其中正确的有________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda4378ca481a0894e1309ceea6cd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50ce9ef89a466df68124a1dccff5663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a28fec6159242405aa5d47e94fcaceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd1a61aa70eecddaaab88c5941972d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9677deecea626aa6e4078f0b532ba68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a3b986fb79bc9af39efe85e2c512be.png)
![](https://img.xkw.com/dksih/QBM/2021/3/18/2680302237573120/2683393690263552/STEM/6b0ade70-d422-4590-93b8-ab16504585ba.png?resizew=181)
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2021-03-22更新
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2卷引用:四川省成都市天府第七中学2019~2020年七年级下学期期中数学试题
4 . 在四边形
中,
,
.
![](https://img.xkw.com/dksih/QBM/2021/3/15/2678253770194944/2678293031444480/STEM/8bd461b7-3106-4622-81b6-20a58cf5d24e.png)
(1)P为边
上一点,如图,将
沿直线
翻折至
的位置(点B落在点E处)
①当点E落在
边上时,利用尺规作图,作出满足条件的图形,并直接写出此时
_________;
②若点P为
边的中点,连接
,则
与
有何位置关系?请说明理由;
(2)点Q为射线
上的一个动点,将
沿
翻折,点D恰好落在直线
上的点
处,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529188246973b6851b114466a238fc0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900d409ddc0930a9c560152f78352305.png)
![](https://img.xkw.com/dksih/QBM/2021/3/15/2678253770194944/2678293031444480/STEM/8bd461b7-3106-4622-81b6-20a58cf5d24e.png)
(1)P为边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099dd87a526391f830ac2a11e7d7ad56.png)
①当点E落在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404728d0ea2699c71e674f30dd984abd.png)
②若点P为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
(2)点Q为射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d41984f53bb280ba8b5ac00a52ce2825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
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名校
5 . 如图,在矩形ABCD中,
,
,点P是矩形ABCD内的一个动点,且
,连接PC,则线段PC的最小值________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9b9bb0f509e6f3d30858efb217c1f5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/6/fe3cf29a-6cd4-4be5-9551-f07e170a5c78.png?resizew=152)
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6 . 如图,
中,
,
,点D,E,分别在CA,BC的延长线上,且
.过点C作
,垂足为F,FC的延长线交AB的延长线于点G.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/d20cc86e-762c-48c5-8ec1-230c2d7347b2.png?resizew=241)
(1)求证:
;
(2)①在图中找出与CG相等的线段,并证明;
②探究线段AG、BG、DE之间的数量关系(直接写出);
(3)若
.求
的值(用含k的代数式表示).
![](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/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42218a68301d770accaaefb96b19f8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7cc087c22e1fc1197236c71e5465d33.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/4/d20cc86e-762c-48c5-8ec1-230c2d7347b2.png?resizew=241)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e71cbf0513ddc87a4ba391e295d229b.png)
(2)①在图中找出与CG相等的线段,并证明;
②探究线段AG、BG、DE之间的数量关系(直接写出);
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788cfc04a1b49ab3099a18e29678e104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad75d52164547b022d8c895205a6c84.png)
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7 . 如图,点A,B都在x轴上,过点A作x轴的垂线交抛物线
于点C,过点B作x轴的垂线交该抛物线于点D,点C,D都在第一象限,点D在点C的右侧,
于点E,连结
,
,
.
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629504993550336/2633981341499392/STEM/f1becc9c-0d95-46f5-9a52-e8ab72e1a73a.png)
(1)若
,求
的长.
(2)若点A是线段
的中点,求点E的坐标.
(3)根据(2)的条件,连结
,动点P在线段
上,作
交
于点Q,当
与
相似时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/572f286fb45b2757af63569ae0bc2e99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fbbd17c89f03dbb61cd6ffdb9a0344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de728cae820b49ee7164cdbe600bdc92.png)
![](https://img.xkw.com/dksih/QBM/2021/1/5/2629504993550336/2633981341499392/STEM/f1becc9c-0d95-46f5-9a52-e8ab72e1a73a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774f83067ed956a551bc41adcce0469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若点A是线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
(3)根据(2)的条件,连结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f10966af97a837c746750ef3f75fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a138fefcb02cc063b48967c0fc9d28f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c5a63e1e1b9044d3b37d0599915a18.png)
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8 . 如图所示,长方形
中,
,
,
,点
为
上的任意一点(可与
、
重合),分别过
、
、
作射线
的垂线,垂足分别为
、
、
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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![](https://img.xkw.com/dksih/QBM/2020/12/29/2624400847093760/2633840833003520/STEM/1a47db30-4297-45b8-915b-125ad7aa9b17.png?resizew=234)
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2021-01-11更新
|
658次组卷
|
3卷引用:湖北省武汉市江夏区湖北华一寄宿学校2020-2021学年八年级上学期12月月考数学试题
湖北省武汉市江夏区湖北华一寄宿学校2020-2021学年八年级上学期12月月考数学试题江苏省连云港市灌云县2020-2021学年八年级下学期期中数学试题(已下线)专题18.14 《平行四边形》之几何模型-将军饮马(专项练习)-2020-2021学年八年级数学下册基础知识专项讲练(人教版)
20-21九年级上·陕西西安·期末
名校
9 . 问题提出:如图,在锐角
中,如何作一个正方形
,使
落在
边上,
分别落在
边上?
勤奋小组同学给出了如下作法:①画一个有三个顶点落在
两边上的正方形
;
②连接
,并延长交
于点
;③过点
作
于点
;④过
作
,交
于点
;⑤过点
作
于点
,则四边形
即为所求作的正方形.
受勤奋小组同学的启发,创新小组同学认为可以在锐角
中,作出长与宽的比为
的矩形
,使
位于边
上,
分别位于边
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/a6390f19-b37b-49a3-af81-860163da206c.png?resizew=497)
(1)你认为勤奋小组同学的作法正确吗?请说明理由.
(2)请你帮助创新小组同学在锐角
中,作出所有满足长与宽的比为
的矩形
,使
位于边
上,
分别位于边
上.(在备用图中完成,不写作法,保留作图痕迹)
解决问题:
(3)在(2)的条件下,已知
的面积为36,
,求出矩形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5881068127a39caf319492b4177204f0.png)
勤奋小组同学给出了如下作法:①画一个有三个顶点落在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2a42b2cc13fc294a6b7ff1cc8d1b1b7.png)
②连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2588559c01596b7d95c3431ce2d14d1.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc90fee532e50d319081d571410421.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/fdd2e599ebb7a0a1c13a0b4b228f5156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa6399528438e294eb126b6a4862ece.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
受勤奋小组同学的启发,创新小组同学认为可以在锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe103f073845122c66f22dcb14b711f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5881068127a39caf319492b4177204f0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/a6390f19-b37b-49a3-af81-860163da206c.png?resizew=497)
(1)你认为勤奋小组同学的作法正确吗?请说明理由.
(2)请你帮助创新小组同学在锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe103f073845122c66f22dcb14b711f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5881068127a39caf319492b4177204f0.png)
解决问题:
(3)在(2)的条件下,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b939af5ba06e279cce39396aaf0fae06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
您最近一年使用:0次
2021-01-10更新
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237次组卷
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4卷引用:陕西省西安市莲湖区益新中学2020-2021学年九年级上学期期末数学试题
陕西省西安市莲湖区益新中学2020-2021学年九年级上学期期末数学试题(已下线)陕西省西安市莲湖区2020-2021学年度第一学期末初三学业质量监测 (数学)山西省晋城市2020-2021学年九年级上学期期末数学试题山西省长治市实验中学2020-2021学年九年级上学期期末数学试题
2020·浙江杭州·模拟预测
10 . 如图,点P是射线
上的一个动点,且
是等边三角形,
平行于x轴,已知点
、
、
,若四边形
的四边
中有两条边互相平行时,则P的坐标是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088f178d36f9c33002e869e6a4ebb489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0defcb17f424849391c29a48f0a2d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69e5283ae48b992e5d5f3330298dea98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/712d9d9e29645c1df6ae23125b4aa1cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36150f2554ac8c781378ac92e790785.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/11/1baa2536-dce7-4a80-b34d-c77160117907.png?resizew=191)
您最近一年使用:0次