如图,P为正方形ABCD的边BC上一动点(P与B. C不重合),点Q在CD边上,且BP=CQ,连接AP、BQ交于点E,将△BQC沿BQ所在直线对折得到△BQN,延长QN交BA的延长线于点M.
(1)求证:AP⊥BQ;
(2)若AB=3,BP=2PC,求QM的长;
(3)当BP=m,PC=n时,求AM的长.
![](https://img.xkw.com/dksih/QBM/2017/4/22/1671038824251392/1738278256394240/STEM/0155334ce7ee4004994bc661d9d24338.png?resizew=170)
更新时间:2017-07-31 07:56:24
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【知识点】 四边形其他综合问题
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解答题-问答题
|
适中
(0.65)
【推荐1】如图,在
中,
,
,
,
是边
的中线.动点
从点
出发,以每秒
个单位长度的速度沿折线
向终点
运动.过点
作
于点
,以
为边作矩形
,使点
、
始终在
的异侧,且
.设矩形
与
重叠部分图形的面积是
,点
的运动时间为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26149dab1e7059bd5df35a0e8bc112b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/7b94f031-67af-4019-9b5e-1e4ac6bfd2ee.png?resizew=163)
(1)当点
在边
上时,用含
的代数式表示
的长;
(2)当点
落在边
上时,求
的值;
(3)求
与
之间的函数关系式;
(4)连结
,当直线
将矩形
分成面积比为
的两部分时,直接写出
的值.
![](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/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d9c94bf0b38a66418e2b88c80245c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b154270249b0ef54ddb26137b2681a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ac79e422ba4876949f0514c44539b1.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/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/356554117436d032646a546817584345.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ac79e422ba4876949f0514c44539b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26149dab1e7059bd5df35a0e8bc112b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/7b94f031-67af-4019-9b5e-1e4ac6bfd2ee.png?resizew=163)
(1)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(2)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(4)连结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3525ddc5153fada64eaf14e50b536542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3525ddc5153fada64eaf14e50b536542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ac79e422ba4876949f0514c44539b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37d65e051e943ab28fa57aee2fb57994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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解答题-作图题
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适中
(0.65)
【推荐2】(一)操作(保留必要的作图痕迹)
(1)如图1平行四边形ABCD中,边AB上一点E,过E作直线EF,平分该平行四边形面积
(2)如图2,作直线MN,平分该图形面积
(二)如图3,在平面直角坐标系中,□OABC的边OC落在x轴的正半轴上,点C(4,0),B(6,2),直线y=2x+1以每秒2个单位的速度向下平移,经过 秒该直线可将□OABC的面积平分.
(1)如图1平行四边形ABCD中,边AB上一点E,过E作直线EF,平分该平行四边形面积
(2)如图2,作直线MN,平分该图形面积
(二)如图3,在平面直角坐标系中,□OABC的边OC落在x轴的正半轴上,点C(4,0),B(6,2),直线y=2x+1以每秒2个单位的速度向下平移,经过 秒该直线可将□OABC的面积平分.
![](https://img.xkw.com/dksih/QBM/2019/4/4/2175309414907904/2179577953402880/STEM/8117e4c7afcb4d70b6b1840be9794bf6.png?resizew=569)
您最近一年使用:0次