已知一个直角三角形的两条直角边分别为6,8,那么这个直角三角形斜边上的高为( )
A.10 | B.4.8 | C.2.4 | D.8 |
更新时间:2022-09-08 11:05:04
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【推荐1】如图,在
,
,
,
,则斜边
上的高
为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/88552909-8820-4e08-bf55-6f1c542f55ec.png?resizew=85)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd0763b031b7e6b6d87ce3554ac482d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/26/88552909-8820-4e08-bf55-6f1c542f55ec.png?resizew=85)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,
中,
,
,
,
是
的平分线,设
、
的面积分别为
、
,则
等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/844fade0-9166-46da-8041-7a3f75f3fc6a.png?resizew=229)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](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/1e5d226450493c2710775806fb9e2363.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/844fade0-9166-46da-8041-7a3f75f3fc6a.png?resizew=229)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图是用三块正方形纸片以顶点相连的方式设计的“毕达哥拉斯”图案.现有五种正方形纸片,面积分别是
,选取其中三块(可重复选取)按图的方式组成图案,使所围成的三角形是面积最小的直角三角形,则选取的三块纸片的面积分别是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5969a26e4b3c149f694f857c655b08be.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/18/df693200-3720-414d-bf66-5d78b7f16e29.png?resizew=137)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,字母B所代表的正方形的面积是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/25/f34a9cbf-1d29-43f7-848d-3a86f8cc7e02.png?resizew=148)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/25/f34a9cbf-1d29-43f7-848d-3a86f8cc7e02.png?resizew=148)
A.144 | B.194 | C.12 | D.169 |
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