如图,在
中,
,
,分别过点A,B,C作平行线
,且a与b之间的距离是2,b与c之间的距离是3,则边
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/62921a1f-ea2c-4064-ab98-d472b3473a26.png?resizew=163)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b57fdd2a3642716fcf5100011eb3ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c17995246894788cfef48b4f62e9de4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/28/62921a1f-ea2c-4064-ab98-d472b3473a26.png?resizew=163)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-11-21 18:53:23
|
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【推荐1】如图,等边三角形
一边上的高为
与
之间的距离为
的延长线交直线
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的长为( )
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【推荐2】如图在
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【推荐1】若一个等腰三角形腰上的高等于腰长的一半,则这个等腰三角形底角度数为( )
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【推荐2】如图,铁路
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【推荐1】如图,已知
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,
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【推荐2】如图,在四边形
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分别在
上,且
,过点
作
,垂足为点
,则
与
的长度之比为( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/4f13504c-916f-479c-a6f9-5a6c7251ef66.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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【推荐1】如图,在矩形
中,
是
边的中点,
,垂足为点
,连接
.则列四个结论:
①
;②
;③
;④
.其中正确的结论有:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d320f180419175d75eebc618cc458b39.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
①
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07cfea4b1ffc26ab403cd5dd8dfd3f91.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a3efd26a3ed73fbebacb211e1b65135.png)
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【推荐2】如图,在直角梯形ABCD中,AD∥BC,∠ABC=90°,AB=8,AD=3,BC=4,点P为AB边上一动点,若△PAD与△PBC是相似三角形,则满足条件的点P的个数是( )
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