如图,某村庄有一块五边形的田地,
,
,连接对角线
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/e0c78cc5-c140-4879-8371-d946ed148c53.png?resizew=154)
(1)
,
与
之间的数量关系是____________.
(2)为保护田内作物不被牲畜踩踏,村里决定给这块田地的五边上围一圈木栅栏,已知每米木栅栏的建造成本是50元,则建造木栅栏共需花费多少元?(提示:延长
至点
,使
)
(3)在
和
区域种上小麦,已知每平方米田地的小麦播种量为
克,请直接写出需提前准备多少千克的小麦种.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d714f8ca3a63037c3b9114278bc12f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766ae8acaddb28f8a5a55eff086fd976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52637598bf071a3a22f5b2d0ae9185b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/13/e0c78cc5-c140-4879-8371-d946ed148c53.png?resizew=154)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e7106619c08f2bcc1d21f846e8a0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
(2)为保护田内作物不被牲畜踩踏,村里决定给这块田地的五边上围一圈木栅栏,已知每米木栅栏的建造成本是50元,则建造木栅栏共需花费多少元?(提示:延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b555a0bb6b5132ecfb9cae3769912c3.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03fc3a8382c11e48a51c9fd3ebbbc306.png)
22-23八年级上·河南信阳·期中 查看更多[3]
河南省信阳市平桥区龙井乡中心学校2022-2023学年八年级上学期期中数学试题(已下线)12.1+全等三角形(题型精讲精练)-【题型分类精粹】2023-2024学年八年级数学上学期期中期末复习讲练系列3【考点闯关】(人教版)四川省广元市朝天区2023-2024学年八年级上学期期末考试数学试题
更新时间:2022-12-10 17:37:43
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解题方法
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