如图,在平行四边形
中,对角线
,
交于点
,
,
,
,直线
过点
,连接
,交
于点
,连
,
的周长等于
,下列说法正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82e415812cca9545611c0faa0c01b1c.png)
;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13668f033d00acfc366f7e47949c4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
23-24八年级下·湖北武汉·阶段练习 查看更多[3]
湖北省武汉市光谷实验中学2023-2024学年八年级下学期月考数学试题(已下线)第六章第01讲 平行四边形的性质(9类热点题型讲练)-【帮课堂】2023-2024学年八年级数学下册同步学与练(北师大版)四川省南充市南充市第五中学校2023-2024学年八年级下学期期中数学试题
更新时间:2024-04-02 23:15:46
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【推荐1】如图,直线
,
相交于点
,直线m交x轴于点
,直线n交x轴于点
,交y轴于点A.下列四个说法:①
;②
;③
;④直线m的函数表达式为
.其中正确说法的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/0e7c5046-1b16-43d7-97b2-7185481afd9b.png?resizew=194)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/767915f361c196355e3a50faa95c8b5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d8ede31c5029e48119af8f857bc3f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2767866dc6472299128b8bd074e384fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b6e422b2e6f6dada4d8c369559a077.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eace630a4ca3f4ad826c4004d383585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/0e7c5046-1b16-43d7-97b2-7185481afd9b.png?resizew=194)
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【推荐2】欧几里得《几何原本》中给出一种证明勾股定理的方法:“直角三角形斜边上正方形的面积等于两直角边上两个正方形的面积之和”.如图
中,
,四边形
、四边形
和四边形
都是正方形,过点E作
的平行线交
于点P,连接
,
,
.若四边形
的面积是四边形
的面积的5倍,设
与
交于点O,则
的值是( )
![](https://img.xkw.com/dksih/QBM/2023/4/28/3226306462523392/3227142395043840/STEM/f47e680d34a34efd91661198376dd972.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9d75951cdacd68509973e4770d84bb.png)
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【推荐1】如图,
中,
,
点
在
上,连接
交
于点
,连接
,则下列结论中,错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
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A.若![]() ![]() | B.若![]() ![]() |
C.若![]() ![]() | D.若![]() ![]() |
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【推荐2】如图,正方形ABCD的边长为2,P为CD的中点,连结AP,过点B作BE⊥AP于点E,延长CE交AD于点F,过点C作CH⊥BE于点G,交AB于点H,连接HF,下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2019/1/23/2124761955024896/2125704992063488/STEM/3602491e7ddc47afaed834991e78c9aa.png?resizew=129)
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A.CE=![]() | B.EF=![]() | C.cos∠CEP=![]() | D.HF2=EF•CF |
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【推荐1】如图,平行四边形ABCD中,AB∶BC=3∶2,∠DAB=60°,E在AB上,且AE∶EB=1∶2,F是BC的中点,过D分别作DP⊥AF于P,DQ⊥CE于Q,则DP∶DQ等于( )
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【推荐2】如图,在正方形
中,
是边
上一动点,连接
,过点
作
,垂足为
,连接
,若
,则
的长度为( )
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【推荐1】如图,在四边形
中,对角线
相交于点
,
,
,则
的最小值为( )
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【推荐2】如图,已知平行四边形
的顶点A、B分别在x轴和y轴正半轴上,顶点C、D分别落在双曲线
上,过点C作y轴垂线交y轴于点E,且
.若平行四边形
的面积为16,则k的值为( )
![](https://img.xkw.com/dksih/QBM/2021/9/9/2804386370748416/2806557493960704/STEM/f21f04c9-7cda-4229-9496-c9bf365fed4b.png)
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