如图,两个直角三角形重叠在一起,将其中一个三角形沿着BC边平移到△DEF的位置,∠B=90°,AB=10,DH=2,平移距离为3,则阴影部分的面积为__________
![](https://img.xkw.com/dksih/QBM/2019/3/26/2169017433899008/2173934577246208/STEM/e94ec92c436a459b878c634310fa8f47.png?resizew=198)
更新时间:2019-04-02 20:24:07
|
相似题推荐
填空题
|
适中
(0.65)
【推荐1】如图,在矩形
中,
,
,P为
边上一点,沿直线
将矩形折叠,使点B落在
边的B处,将
沿线段
平移,当点
与点C重合时,得
,
与
交于点Q,则
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ee826937d2add7a93aaa1422f8b736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b33bcb6c77eea836834569a04538899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19736af03116d7cf8b1ebaeda148b63d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1aa0718be762e3985b802dde0f7c5d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图所示,
的周长为100,在其内部的n个小直角三角形的周长之和________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cc9243c3d61b4249c86b5cd0d0b3bf.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
真题
名校
【推荐1】若△ABC与△DEF相似且面积之比为25∶16,则△ABC与△DEF的周长之比为____ .
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,
,
,
,
,
,点P在
上,由点B向点D方向移动,当
与
相似时,
的值为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8915e8e775538d41debf1933102c6b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c90da0cd2708481057fe19acebf2ec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6747441b260ca043446b5d472fece440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c52b5f8acda412ddceb94c4e4e6b7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5959c15163e7440b01948979deec8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af2cc5f8cec8c498aa12c99c04e1c97d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc6b0f69ed7e3633248f6b1c093e874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/16/4b71782a-1fc2-431a-9bba-d70ba1e709ff.png?resizew=217)
您最近一年使用:0次