如图,是一块长a米,宽b米的长方形花园,其中1、2、3、4四块三角形区域种着不同品种花卉,5区域是一条小路,小路的左边线EG向右平移一定的距离就是它的右边线FC.记1,2,3,4,5五个区域面积分别为
,
,
,
,
,已知ab=75,
=5
,
,则
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/18/137014d6-0147-4134-a588-f2606f1cc180.png?resizew=202)
(1)EF与AD的位置关系为_____
(2)小路面积
为____
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6899bf9cadae2ccdb14cbc87d4f280ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f30f56664446f32dbbc2c5f12a99374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27182444d3da4003680f07ec299087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a156006090e10141ffbdf72726b922b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/18/137014d6-0147-4134-a588-f2606f1cc180.png?resizew=202)
(1)EF与AD的位置关系为
(2)小路面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27182444d3da4003680f07ec299087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d7e680da2ccf8ca16e19aa8a02a49b5.png)
更新时间:2022-09-20 00:38:53
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【推荐1】中国古代数学家们对于勾股定理的发现和证明,在世界数学史上具有独特的贡献和地位.学习了勾股定理后,小明也绘制了一幅“赵爽弦图”,如图①所示,已知他绘制的大正方形的面积是5,且图中四个全等的直角三角形与中间的小正方形恰好能拼成如图②所示的大长方形ABCD.
(1)图中四个全等的直角三角形中较长直角边长为a,较短直角边为b,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1817297374e431a1d9087dcc2991d3a9.png)
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(1)图中四个全等的直角三角形中较长直角边长为a,较短直角边为b,则
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【推荐2】如图,在
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