在
中,已知
,
.若
最长边的长为
,求最短边的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc776ece502f599c08dde225cc33e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324b71a7f5477eb3a32cc31ae3f0a87c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e20838e72faf737614d76fcee82ab6c5.png)
20-21高一·全国·课后作业 查看更多[2]
更新时间:2021-11-11 23:51:20
|
相似题推荐
解答题-问答题
|
容易
(0.94)
名校
【推荐1】已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92f6a2f6802518fe6593b995432bb32.png)
(1)
的值;
(2)
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d92f6a2f6802518fe6593b995432bb32.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15112d82b0eb93b7a9394cf0425e0023.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
名校
解题方法
【推荐1】如图所示,在一岸边选定两点
,
,望对岸标记物
,测得
,
,
.
![](https://img.xkw.com/dksih/QBM/2021/4/14/2699869585989632/2786862590853120/STEM/4d50a60d-0e4f-4b37-9f4c-c4662aa2e223.png?resizew=245)
(1)求
边的长?
(2)求
的面积?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabecf66d94e4094f9cc46fd8ee050f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150818491f4db5ec942f0fdfc62fc51a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b96b9912eed54728ffff4e316c8b4882.png)
![](https://img.xkw.com/dksih/QBM/2021/4/14/2699869585989632/2786862590853120/STEM/4d50a60d-0e4f-4b37-9f4c-c4662aa2e223.png?resizew=245)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
【推荐2】如图
,北京
年冬奥会会微以汉字“冬”为灵感来源,结合中国书法的艺术形态创作而成.某同学查阅资料得知,书法中的一些特殊画笔都有固定的角度,比如在弯折的位置通常为
等特殊角度,为了判断“冬”的弯折角度是否符合书法中的美学要求,该同学取端点绘制成
,如图
,测得
,
,
,
,若点
恰好在边
上.
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d01dd350dc95f42f1883e0cc7aae084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46a065c40aaf7b58434b434560cbd9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454328a8e75953fdb0835ce80d9566e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7385a7caee96f0030f1760f70e1150e4.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462a35893afcd7774f5183e738ad506c.png)
您最近一年使用:0次