名校
1 . 如图所示,
三点在同一水平线上,
是塔的中轴线,在
两处测得塔顶部
处的仰角分别是
,
,如果
间的距离是
,测角仪
,则塔高为(精确到
)( )
![](https://img.xkw.com/dksih/QBM/2022/5/12/2977914177208320/2980675195936768/STEM/6edcb9aa-3c5b-4b7b-8123-6811d995e4c3.png?resizew=208)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f03a01b71e0b2639b455686eeca9c23b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a79c4fc56d7666a4cb6161cc0ed74b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cde33974f1c49a3df4589c00974c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ef14cb641697fe95237f4c97a823f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c08094f72d5bd69246c453dd28e33d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5dbd5b383a312ea235b627eee52701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfaa19eeaf415ed419e77fe92794f443.png)
![](https://img.xkw.com/dksih/QBM/2022/5/12/2977914177208320/2980675195936768/STEM/6edcb9aa-3c5b-4b7b-8123-6811d995e4c3.png?resizew=208)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 为绘制海底地貌图,测量海底两点
,
间的距离,海底探测仪沿水平方向在
,
两点进行测量,
,
,
,
在同一个铅垂平面内.海底探测仪测得
,
,
,
,同时测得
海里.
的长度;
(2)求
,
之间的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab926d89b65f26c12e3da73ef1e5cf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ed407cbb778f76bf879bfcae69ebba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b03bf58cba56d1b98a8a457982870b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034a8f8bf51a4280b0b4a9047a95735c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
2023-09-09更新
|
495次组卷
|
16卷引用:北京市昌平区新学道临川学校2021-2022学年高一下学期期中数学试题
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