如图,图1是可折叠的熨衣架的实物图,图2是它的侧面示意图,
与
相交于点O,
,根据图2中的数据(
米,
米),求x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4b4f6f2d9adcb86c6327ed19aec16e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/1c4fc142-ea93-43c6-9fb5-7d2545c61ff5.png?resizew=312)
更新时间:2024-03-04 23:39:18
|
【知识点】 相似三角形的判定与性质综合
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】解答下列问题.
(1)如图
,在
中,弦
与
相交于点
,
,
,求
的度数.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/76fed95a-bc5a-4304-8bd8-17a1139ade99.png?resizew=139)
(2)如图
,在正方形
中,点
是
上一点
,连接
,并过点
作
的垂线交
于点
,若
,
,求
长.
(1)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2d7e418371da4e5f9d29d3ddac4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d81f8cff083accb53ed5486bf47c7583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/76fed95a-bc5a-4304-8bd8-17a1139ade99.png?resizew=139)
(2)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cdd63892234b4f5c6d73095e35df1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d649afbddd907f0dfec1420f02f82fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e5e8fe2cf6bd5d0ba5dfeb0697a90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/b55651d0-8194-4547-8706-c665549afd12.png?resizew=173)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
【推荐2】如图均是由边长为1的小正方形组成的3×3网格,△ABC的顶点均在格点上.利用网格和无刻度的直尺作图,保留痕迹,不写作法.
(2)在图②中,在△ABC的边AC上找一点P,连接BP,使△ABP的面积为△ABC面积的
.
(2)在图②中,在△ABC的边AC上找一点P,连接BP,使△ABP的面积为△ABC面积的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
您最近一年使用:0次