探究与发现:
在平面直角坐标系中,直线
:
与
轴交于点
,如图所示,依次作正方形
,正方形
,正方形
,正方形
,……,点
,
,
,
,……在直线
上,点
,
,
,
,……在
轴正半轴上.则
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/9/c91a73a2-4d75-461a-b27b-859933453f69.png?resizew=330)
(1)
的坐标是_______;
(2)前
个正方形对角线长的和是_______.
在平面直角坐标系中,直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f35d4ede5b91b03d09a99262de2693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07347d7a2282576f756152cd08c5389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987e15ab06e0dce433e936143cb4c41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22a1b27a73064c0e9cf3a2260c5046e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/384bef25d6a7f4c661e83498628c1409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/9/c91a73a2-4d75-461a-b27b-859933453f69.png?resizew=330)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
(2)前
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
20-21八年级上·山西·期中 查看更多[2]
更新时间:2020-12-02 14:39:45
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【推荐1】如图,放置的
都是边长为2的等边三角形,边
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【推荐2】如图,在平面直角坐标系中,函数
和
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![](https://img.xkw.com/dksih/QBM/2019/1/18/2121295976611840/2121383335804928/STEM/c8ce3a91243b4a7aa7f4721550db3ce2.png?resizew=153)
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【推荐1】如图,抛物线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53cea50796c669ba3134ccf7cc8044b4.png)
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【推荐2】如图,在正方形网格(图中每个小正方形的边长均为1)中,△ABC的三个顶点均在格点上,则△ABC的周长为__ ,面积为__ .
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分别交正方形的边
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