要航测某座山的海拔高度,如图,飞机的航线与山顶M在同一个铅垂面内,已知飞机的飞行高度为海拔10000米,速度为900km/h,航测员先测得对山顶的俯角为
,经过
飞过M点后又测得对山顶的俯角为
,(可能要用到的数据:
)
(2)求山顶的海拔高度.(精确到m)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d049dc727adcd98b4a15aadfccdf95f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d9ea6170b13bb5c04ad50ac95b5e9c.png)
(2)求山顶的海拔高度.(精确到m)
23-24高一下·全国·期中 查看更多[2]
更新时间:2024-04-28 23:44:51
|
相似题推荐
【推荐1】在①
,②
这两个条件中任选一个,补充到下面横线上,并解答.
记△ABC的内角A,B,C的对边分别为a,b,c,且 .
(1)求
;
(2)若
,
,求△ABC的面积.
(注:如果选择多个条件分别解答,则按第一个解答计分.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59dd5d16634095a9c049326f3ccaf53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd72f15aec01d4547bfa46f1f9101117.png)
记△ABC的内角A,B,C的对边分别为a,b,c,且 .
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07112e0ab2a3cb93f290781a5a06d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac51e933a645811a2dddc63915eeb34.png)
(注:如果选择多个条件分别解答,则按第一个解答计分.)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐2】在
中,
,
.
(1)求角
的大小;
(2)若
的最长边的边长为
,求
最短边的边长.
![](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)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcf43ba416adeb723cebe4aee6bbe34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】在地面某点
处测得山顶
的仰角为
,沿
方向前进3千米至点
处,测得山顶的仰角为
,又前进
千米至
处,测得山顶
的仰角为
,(三个测量点都在山的同一侧,且在一条直线上),求
的大小和山高
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267572d2dff2dc38cf9251b7f33a3e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12bc0477f4eb6eccec1517782049dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/e02755a4-38b8-4ed8-a28e-25b8d73801a1.png?resizew=181)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】如图所示,在地面上共线的三点
,
,
处测得一建筑物的仰角分别为
,
,
,且
,求建筑物的高度.
![](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/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab11186acc9290524378b2f3cd1b6db1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/4b40bcef-42fb-4f6f-a1a9-4eb982ba9d51.png?resizew=156)
您最近一年使用:0次