已知∠α与∠β互余,且∠α比∠β小25°,求2∠α﹣
∠β的值.
![](https://img.xkw.com/dksih/QBM/2016/2/23/1573974772817920/1573974779150336/STEM/fed19acf98954fcf9305582a5e4f1faf.png)
更新时间:2016-12-06 04:42:47
|
【知识点】 与余角、补角有关的计算解读
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图①,将一副直角三角板的直角顶点
叠放在一起.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/1ada9ce2-20ef-4229-bc67-bc3764361fb7.png?resizew=537)
(1)若
,则
________
;若
,则
________
;由此猜想:
与
存在的关系是________;
(2)如图②,若将两个同样的直角三角板的
锐角的顶点
重合在一起,求
的值:
(3)将一副直角三角板按如图③摆放,三角板
在
的内部,作
的平分线
,作
的平分线
若三角板
在
内部固定
点,任意变换位置,则
的度数是否发生变化
若变化,说明理由;若不变,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/17/1ada9ce2-20ef-4229-bc67-bc3764361fb7.png?resizew=537)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/889169fa7ce91b8713618570bd15a7d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e515787ebe97ed2662237d9ca51ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c87eb3ed1ee03bb5426d1a1ff1cde70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b05714b8620eba2f56084a91442533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
(2)如图②,若将两个同样的直角三角板的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f3bad3acfd8760700fa3c615cc5a5ac.png)
(3)将一副直角三角板按如图③摆放,三角板
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf126cfed85fa9b7720ec6f7b0008dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b3df746e36f782285ddc64222fc8e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf126cfed85fa9b7720ec6f7b0008dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bbee662e242611afdbdae4b8a36a7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b2557547eecdc826b8282058802d217.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】一个角的补角加上10°后等于这个角的余角的3倍,求这个角.
您最近一年使用:0次