辽宁省铁岭市西丰县2022-2023学年八年级下学期期中数学试题
辽宁
八年级
期中
2023-07-24
66次
整体难度:
容易
考查范围:
数与式、图形的性质、函数
一、单选题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a1dd47d59b9755e1815f18f3e22ef81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40034c0f65d1bb9f29b7242059d0c26d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/23/441fe282-5f97-43ab-9eeb-26c3511496d4.png?resizew=134)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 与三角形中位线有关的求解问题解读
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/23/c4aa73f6-4ad3-462c-8b08-fb1aec569ccb.png?resizew=91)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 解决水杯中筷子问题(勾股定理的应用)解读
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/2d0eb316-166d-4258-aca9-26b8f5795db1.png?resizew=204)
A.3km | B.4km | C.5km | D.6km |
【知识点】 斜边的中线等于斜边的一半解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/24/29241fd5-133f-43a9-a0ba-69471d99f35a.png?resizew=165)
A.4 | B.![]() | C.![]() | D.![]() |
【知识点】 用勾股定理解三角形解读 利用菱形的性质求线段长解读
二、填空题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9921b2d49eda72c75b6f1e680617b3f.png)
【知识点】 利用二次根式的性质化简解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f810f4f9fa03b4de61621fa665cd9c94.png)
【知识点】 运用平方差公式进行运算解读 二次根式的混合运算解读
【知识点】 利用矩形的性质求角度解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0270feaf08534fe711c915f4bfc8900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/23/a569fea5-16b3-4776-b0e8-e9932757162f.png?resizew=233)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78bb85d5afe35e895972e640f1ddaaa8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/24/8071188b-3dd3-46a8-b0f2-fbdacdf4c2fa.png?resizew=190)
【知识点】 坐标与图形 用勾股定理解三角形解读 利用菱形的性质求线段长解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dceb5cc71fc50f20649f6b9535fd914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910936ec9fb419d51ce2f5ea817f8401.png)
【知识点】 添一个条件成为平行四边形解读
![](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/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319ff9f648fedec284a11a9761cb6183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/746c80d256aa28e71aba32fe8113d606.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc30901a255fc967e88734abfee8147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2ced14b6af2e8801c8cbf4ae9afe9c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/24/63404fa0-089a-4e99-85e2-4f72aca50144.png?resizew=182)
三、解答题 添加题型下试题
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb5f63c366825784192de853ff62d5e1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea6f54b02e694e93b4929e0fa66f0d1.png)
(1)连接BD,求BD的长;
(2)求四边形ABCD的面积.
![](https://img.xkw.com/dksih/QBM/2021/3/3/2669743832834048/2671222474481664/STEM/a72bcbe2-d94c-45d4-b6c2-c2593b5510c9.png)
【知识点】 用勾股定理解三角形解读 判断三边能否构成直角三角形解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d2530e7023b2345c651e8f53629ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92034dd2bb9480b18709d01153467f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c51c25b65a37b676ae3c3b71c29f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac18b0388014ae20b2add2975ef56aa.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://img.xkw.com/dksih/QBM/2021/6/29/2753337145049088/2774534221733888/STEM/d16d5731-f76e-4980-a58c-9c6c99a95642.png)
【知识点】 全等的性质和HL综合(HL) 判断能否构成平行四边形解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/727ad3e630a224303d6d3b8ad5c114ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d527b7de54224cc1698843a59a19a5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/23/7d299a6f-6c90-4666-b3ae-2e53f63cebb9.png?resizew=244)
![](https://img.xkw.com/dksih/QBM/2022/9/27/3075665320681472/3085944447377408/STEM/4a436cf21d694dd8bbf53a88fe88fd21.png?resizew=164)
(1)证明:△ADE≌△CBF.
(2)若AB=4
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7881094ce2f907c3aaf664318ecd3e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854ec19fca9cce2070c8dc0fa7160dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048b61a5fb5f420c6d7de88db5bc3aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8383370881922dbedb9a15d2dffff7c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8f8b27efbbdb6d55e1cd0ce0ef555ea.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/24/6e732a1f-dd35-4f5a-886d-21a07baddf75.png?resizew=207)
(1)求BC边上的高AE的长度;
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b46010c050239617157231a5c47a777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b977f9880c3acc912c36aa3e2df56c9.png)
试卷分析
试卷题型(共 25题)
试卷难度
知识点分析
细目表分析 导出
题号 | 难度系数 | 详细知识点 | 备注 |
一、单选题 | |||
1 | 0.85 | 求二次根式的值 | |
2 | 0.94 | 用勾股定理解三角形 | |
3 | 0.85 | 利用二次根式的性质化简 二次根式的乘法 二次根式的除法 二次根式的加减运算 | |
4 | 0.85 | 利用平行四边形的性质求解 | |
5 | 0.94 | 二次根式的加减运算 | |
6 | 0.65 | 与三角形中位线有关的求解问题 | |
7 | 0.65 | 解决水杯中筷子问题(勾股定理的应用) | |
8 | 0.65 | 斜边的中线等于斜边的一半 | |
9 | 0.85 | 用勾股定理解三角形 利用菱形的性质求线段长 | |
10 | 0.65 | 二次根式的混合运算 勾股定理与折叠问题 矩形与折叠问题 | |
二、填空题 | |||
11 | 0.65 | 利用二次根式的性质化简 | |
12 | 0.85 | 运用平方差公式进行运算 二次根式的混合运算 | |
13 | 0.85 | 以直角三角形三边为边长的图形面积 | |
14 | 0.85 | 利用矩形的性质求角度 | |
15 | 0.65 | 实数与数轴 用勾股定理解三角形 | |
16 | 0.65 | 坐标与图形 用勾股定理解三角形 利用菱形的性质求线段长 | |
17 | 0.65 | 添一个条件成为平行四边形 | |
18 | 0.65 | 全等的性质和ASA(AAS)综合(ASA或者AAS) 用勾股定理解三角形 根据正方形的性质证明 | |
三、解答题 | |||
19 | 0.65 | 利用二次根式的性质化简 二次根式的乘除混合运算 二次根式的混合运算 | 计算题 |
20 | 0.65 | 运用完全平方公式进行运算 二次根式的混合运算 | 计算题 |
21 | 0.85 | 用勾股定理解三角形 判断三边能否构成直角三角形 | 问答题 |
22 | 0.65 | 全等的性质和HL综合(HL) 判断能否构成平行四边形 | 证明题 |
23 | 0.85 | 角平分线的有关计算 内错角相等两直线平行 三角形的外角的定义及性质 利用平行四边形的性质证明 | 证明题 |
24 | 0.65 | 用SAS直接证明三角形全等(SAS) 用勾股定理解三角形 根据菱形的性质与判定求线段长 根据正方形的性质求线段长 | 证明题 |
25 | 0.65 | 等腰三角形的性质和判定 用勾股定理解三角形 利用平行四边形的性质求解 利用菱形的性质求线段长 | 问答题 |