如图,一艘轮船由西向东航行到O处时,发现A岛在北偏东
的方向且与轮船相距52海里.若该轮船不改变航向继续航行,则轮船与A岛的最近距离
是______ 海里.(用含三角函数的式子表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2931e9bcd1cd5280d783ed6dda4ca38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/3653f013-2627-4a8a-84db-0c05ffb103d2.png?resizew=183)
更新时间:2024-01-30 17:53:02
|
相似题推荐
填空题
|
较易
(0.85)
【推荐1】轮船在大海中航行,它从点
出发,向正北方向航行
,遇到冰山后,又折向正东方向航行
,则此时轮船距点
的距离为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ead65871b1bf2e0a850566e2e1c8cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016c442622f23a530b1913b157b35e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】如图,船A在灯塔O的正东方向,船B在灯塔O的北偏东
处,则
的度数是______ °.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd49f72f791cb7f270326f5fc992499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/10/d37b3ca6-ab23-4fdd-8ba2-67f1a4a953cd.png?resizew=120)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐1】如图,在四边形ABCD中,∠DCB=∠DAB=Rt∠,∠ABC=60°,BD=10,点E,F分别是对角线BD,AC的中点.则∠AEC=__________ ,AC=__________ .
![](https://img.xkw.com/dksih/QBM/2019/11/25/2341489528930304/2343111798267904/STEM/53c37662020249d6ab4dd8ad21fc3851.png?resizew=173)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】如图,在
中,
,
,
于点
,
,若
,
分别为
,
的中点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a71a9d21f77e9535de152bb33f802bb.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7099026716ee1821dd7d9f157dc055f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998329f9cdb86f5d60d7d5d70fc3781e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29470a095de205acb450d5a48b38be1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a71a9d21f77e9535de152bb33f802bb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/23/c010e10a-d801-4abb-bf28-cc920f5b9c61.png?resizew=171)
您最近一年使用:0次