如图在网格中建立平面直角坐标系,A(2,7)、B(7,6),D是AB与网格线交点.仅用无刻度的直尺完成下列作图并填空:
![](https://img.xkw.com/dksih/QBM/2022/4/13/2957149632233472/2965937638973440/STEM/029f94a0-41a7-4827-b29e-fa19dcffdb79.png?resizew=270)
(1)将线段BA绕B逆时针旋转90°得到BC;
(2)连CD,在BC上画一点E,使∠BCD=∠BAE;
(3)在网格内画一点M,使得MC
AD,MC=AD,直接写出所有满足条件的M点坐标:_________.
![](https://img.xkw.com/dksih/QBM/2022/4/13/2957149632233472/2965937638973440/STEM/029f94a0-41a7-4827-b29e-fa19dcffdb79.png?resizew=270)
(1)将线段BA绕B逆时针旋转90°得到BC;
(2)连CD,在BC上画一点E,使∠BCD=∠BAE;
(3)在网格内画一点M,使得MC
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
更新时间:2022-04-25 19:58:29
|
相似题推荐
解答题-证明题
|
适中
(0.65)
【推荐1】如图1,在平面直角坐标系中点
、
的坐标分别为
,
.现同时将点
、
分别向上平移
个单位长度,再向右平移
个单位长度,分别得到点
、
的对应点
、
,连接
、
、
.
![](https://img.xkw.com/dksih/QBM/2020/5/14/2462538699202560/2463156542455808/STEM/b2e3e8a22b3f42e2b5bd4144424d9bd5.png?resizew=224)
![](https://img.xkw.com/dksih/QBM/2020/5/14/2462538699202560/2463156542455808/STEM/291fc3408702449c9d3a784f4a8497bb.png?resizew=231)
(1)求点
、
的坐标;
(2)如图2,点
是线段
上的一点,连接
、
.求证:
的值为定值,并求出这个值.
![](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/2a2a5e336b6bcba6354fd366c892dd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c3a2f5b0702ea9fbb9dc8904579737.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/61128ab996360a038e6e64d82fcba004.png)
![](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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2020/5/14/2462538699202560/2463156542455808/STEM/b2e3e8a22b3f42e2b5bd4144424d9bd5.png?resizew=224)
![](https://img.xkw.com/dksih/QBM/2020/5/14/2462538699202560/2463156542455808/STEM/291fc3408702449c9d3a784f4a8497bb.png?resizew=231)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)如图2,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211bbbcbe8fb843166d3f3781bbfac96.png)
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适中
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名校
【推荐2】如图1,在平面直角坐标系中,A,B两点的坐标分别是点A(0,a),点B(b,0),且a,b满足:(a−6)2+|b−6|=0.OM⊥AB交AB于点M,等腰Rt△ODC的腰CD经过点M,∠OCD=90°,连接AD.
![](https://img.xkw.com/dksih/QBM/2022/1/26/2902857798090752/2903521798889472/STEM/fab6bf05-f41d-4758-8445-ddde0071d552.png?resizew=307)
(1)
______,
______,
______°;
(2)求证:
;
(3)如图2,MN⊥OB交OB于点N,延长AD交NC的延长线于点P,请判断OD和PN的位置关系,并说明理由.
![](https://img.xkw.com/dksih/QBM/2022/1/26/2902857798090752/2903521798889472/STEM/fab6bf05-f41d-4758-8445-ddde0071d552.png?resizew=307)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e5ca861b1c7150ec8800d291c11797.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a911094b632b548cc5665f0d32b7ae51.png)
(3)如图2,MN⊥OB交OB于点N,延长AD交NC的延长线于点P,请判断OD和PN的位置关系,并说明理由.
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解答题-作图题
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适中
(0.65)
【推荐1】在平面直角坐标系中,点
的坐标是
,点
在
轴上,将
绕点
逆时针旋转
得到
,点
对应点分别是
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/9b4ee4fc-5580-4f35-9569-1c5323de23ee.png?resizew=173)
(1)若点
的坐标是
,请在图中画出
,并写出点
的坐标;
(2)点
为
轴上的一个动点,是否存在
使
的值最小?若不存在,请说明理由,若存在请求出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9055e1408371f84b8df59347ba7309.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/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8134c0bf1418693912b362cc71b00d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a373959bb9026f8a09845c0b828bf82.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/14/9b4ee4fc-5580-4f35-9569-1c5323de23ee.png?resizew=173)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a08ff2ce9077b072721a20489edf1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a373959bb9026f8a09845c0b828bf82.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1172ff1d1010a9a76e1482b0b86b201d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系中,有一
,已知
是由
绕某点逆时针旋转
得到的.
(1)请你写出旋转中心的坐标是( , );
(2)以(1)中的旋转中心为中心,画出
顺时针旋转
,
后的三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa8cee7d2463f6f7d352e8b65f47cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad86d8f63d48c127ad859b92b2dca0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
(1)请你写出旋转中心的坐标是( , );
(2)以(1)中的旋转中心为中心,画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe639eab78eafd2d40ea70aa5d3f21d.png)
![](https://img.xkw.com/dksih/QBM/2019/12/30/2366250122706944/2367056462290944/STEM/0491594855764ec68df1c49a186b8d4d.png?resizew=260)
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解答题-问答题
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适中
(0.65)
【推荐1】如图,
中,
,
,
,点
是边
上的两个动点,点
从点
出发沿着
以每秒
的速度向终点
运动;点
同时从点
出发沿着
以每秒
的速度向终点
运动.设运动时间为
秒.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/24/eb98f784-4f9d-4b26-87ac-196a4eb9f6e4.png?resizew=367)
(1)当
时,求
的面积.
(2)当
为何值时,
.
![](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/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c545764505bb00578a870c5e39493a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/048b61a5fb5f420c6d7de88db5bc3aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78d0ab561d0c9bb9099772c596af8bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/24/eb98f784-4f9d-4b26-87ac-196a4eb9f6e4.png?resizew=367)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3181e58f09e9fec4e43e422b82831b7.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐2】如图(1),
的顶点
、
、
分别与正方形
的顶点
、
、
重合.
![](https://img.xkw.com/dksih/QBM/2019/9/23/2296769025114112/2296904019722240/STEM/8db6b2bbafde4d10870f48efe1068ee3.png?resizew=208)
(1)若正方形的边长为
,用含
的代数式表示:正方形
的周长等于_______,
的面积等于_______.
(2)如图2,将
绕点
顺时针旋转,边
和正方形的边
交于点
.连结
,设旋转角
.
![](https://img.xkw.com/dksih/QBM/2019/9/23/2296769025114112/2296904019722240/STEM/696e87bb6c4443bb878429a48f2b2b85.png?resizew=193)
①试说明
;
②若
有一个内角等于
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7807f6a0d316671ed34c23e32fc7408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/411b38a18046fea8e9fab1f9f9b80a5f.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/2019/9/23/2296769025114112/2296904019722240/STEM/8db6b2bbafde4d10870f48efe1068ee3.png?resizew=208)
(1)若正方形的边长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7807f6a0d316671ed34c23e32fc7408.png)
(2)如图2,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7807f6a0d316671ed34c23e32fc7408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e68eb5f758003690b3b28da7f3f8c9.png)
![](https://img.xkw.com/dksih/QBM/2019/9/23/2296769025114112/2296904019722240/STEM/696e87bb6c4443bb878429a48f2b2b85.png?resizew=193)
①试说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f16de8eaf8a495a7ac45c381ad00f3.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786cd645516dde315a4edb05229446fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】如图,四边形
是
的内接四边形,
为
的直径,点D为
的中点,连接
,
是
的切线, 交
的延长线于点F.
;
(2)若
, 求
的长.
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.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/6d276d0010fd458383ea3dd61415e1aa.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e86abe805d58f541a84b2e36910dd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
您最近一年使用:0次
解答题-证明题
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适中
(0.65)
【推荐2】如图,
为
的直径,C为圆上的一点,D为劣弧
的中点,过点D作
的切线与
的延长线交于点P,与
的延长线交于点F,
与
交于点E.
(1)
;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0149042919dc906f07c32c3c4332e282.png)
(3)若
的半径为
,
,求
的长度;
![](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/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ee4f4a6fbfb1ae3018de415dd265a2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0149042919dc906f07c32c3c4332e282.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82773737609e65dea3c5c67099f1b10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
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