1 . 将一个边长为
的正方形与一个长,宽分别为
,
的矩形重叠放在一起,在下列三个图形中,重叠部分的面积从小到大排列正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095ab4a92bf822e175d370e6d0c8a730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b1fe1b971b780e443a9b13621611c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78d0ab561d0c9bb9099772c596af8bf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/26/0b5df942-1efc-4c41-abcd-df0a79e59a04.png?resizew=188)
A.①②③ | B.①③② | C.③①② | D.②③① |
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2023九年级上·全国·专题练习
2 . 如图,正六边形
的边长为2,现将它沿
方向平移1个单位,得到正六边形
,则阴影部分
的面积是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/18/e6fdf31d-1803-4e49-b6c6-a43ac11d2fe5.png?resizew=193)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d5949184e158b99bbac9fa116feb0fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2aa9274c84c577e91d9bebba55caa8b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/18/e6fdf31d-1803-4e49-b6c6-a43ac11d2fe5.png?resizew=193)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 如图,在
,过点A分别作
于点E,
于点F,分别作点C关于
的对称点G,H,连接
.如果
,
,
的面积为
,那么下列说法不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3f5dc11efe60b4fd9a13b1d6b83842.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fbee06d305abf6692125513dc3757f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137717f0e360e82319ced7e3a6c69b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc01b90fa8ade72a4c959be0eee3eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15f325403cbedaac249c9a78d33da81a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072c4701d354e68a37928902b0ab870f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b4b4d8d14a7f3b05903ee62eec60f8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/11/4086365b-55a6-4c7c-b3ca-f7847c3310d2.png?resizew=286)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-09-14更新
|
316次组卷
|
2卷引用:福建省福州市闽侯县2022-2023学年八年级下学期期中数学试题
4 . 如图,平行四边形
的顶点A在反比例函数
的图象上,点B在y轴上,点C、点D在x轴上,
与y轴交于点E,若
,则k的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9212e728b36c078188606c9d429389d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ec75054bf2156df75fdbd2b76b7d89.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/19/9bca065f-bfd9-4905-a9b7-4be7fc566190.png?resizew=208)
A.3 | B.![]() | C.6 | D.![]() |
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5 . 图1所示的教具是用钉子将四根木条钉成的平行四边形框架
,在
与
,
与
两点之间分别用一根橡皮筋拉直固定.老师推动框架至
如图2所示,下列判断一定 正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/7/ad849261-a5e1-4780-86a0-0ea71cf92209.png?resizew=311)
A.在图2中,![]() | B.在图2中,![]() |
C.四边形![]() | D.四边形![]() |
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6 . 如图,在平行四边形
中,对角线
相交于点O,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
;
(2)若点E、F分别为线段
的中点,连接
,
,
,求
的长及四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d0b0b7d07ac1aebab6b6f1e8c6acdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f524598a5579204a4e689c4cdf32a37c.png)
(2)若点E、F分别为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d80337249fcb13475b62a1460a578db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1821a3ed623c2d1e59d82b39b4699092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2023-09-02更新
|
260次组卷
|
2卷引用:贵州省黔南布依族苗族自治州长顺县2022-2023学年八年级下学期期末数学试题
7 . 如图,点A是反比例函数
图象上的一点,过点A作平行四边形
,使点B,C在x轴上,点D在y轴上,
,则下列点在反比例函数
图象上的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa915a60a2d6e535369715ba84015b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb9c19276741ac15d9908d92532acdf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa915a60a2d6e535369715ba84015b4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/31/6bf56362-16c3-42fb-899b-c70a7a6a30b9.png?resizew=157)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 如图,已知矩形
的面积为1.
分别为
的中点,若四边形
的面积为
,
分别为
的中点,四边形
的面积记为
,…,依此类推,第n个四边形
的面积记为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd530822a9922a2aa9eb7e4e98ba5bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0885184756fa3f50074e0352f56778d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d7909a3c6302890ab9ca172b48a48a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d22c1c54da499fc10673325d22089cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5bf350a619ef25d8d9b988f3db804e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36134f01da0f13b340e82e8835324f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
您最近一年使用:0次
2023-08-22更新
|
78次组卷
|
3卷引用:四川省南充市高坪区高坪区江陵初级中学2022-2023学年八年级下学期期中数学试题
9 . 如图,
,
是函数
上两点,
为一动点,作
轴,
轴,若
,则
______ .
![](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/e3080b9d9aaace24823a0fd8eb469e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340f0e34fb3926f27f26ca9811ef5e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d293316274bc13703897b52885b97283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75c2912fcfaa436db5b811d7a12616a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182e849365a84a80459fc08721087b05.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/25/2929eb67-371f-4e75-a5cc-0cc51b42a334.png?resizew=123)
您最近一年使用:0次
2023-08-21更新
|
124次组卷
|
2卷引用:2023年湖北省孝感市汉川市官备塘初级中学中考模拟数学试题
10 . 如图,矩形
的顶点A、B分别在反比例函数
与
的图象上,点C、D在x轴上,
、
分别交y轴于点E、F,则阴影部分的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f562f42c00aa935506e01ed32fdfa4a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72e1b52768bc292284343f568897c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/22/f2425ded-200c-429a-b4f7-26abbd73db09.jpg?resizew=183)
A.8 | B.16 | C.![]() | D.![]() |
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