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1 . 如图,有一辆汽车在一条水平的公路上向正西行驶,汽车在A点测得公路北侧山顶D的仰角为30°,汽车行驶30m后到达B点测得山顶D在北偏西30°方向上,且仰角为45°,则山的高度CD为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/fb149880-26d3-4d0c-9be8-02808e549e76.png?resizew=231)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/23/fb149880-26d3-4d0c-9be8-02808e549e76.png?resizew=231)
A.![]() | B.15m | C.![]() | D.30m |
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2020-10-29更新
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2卷引用:贵州省贵阳市民族中学2020-2021学年高一下学期第一次月考数学试题
2 . 一游客在
处望见在正北方向有一塔
,在北偏西
方向的
处有一寺庙,此游客骑车向西行
后到达
处,这时塔和寺庙分别在北偏东
和北偏西
,则塔
与寺庙
的距离为
![](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/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e4917c34a4c4e654ace35eb65f179b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c12e76fbd84eeec721386bd3b04cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-09-23更新
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2卷引用:贵州省威宁民族中学2020-2021学年高一下学期期中考试数学试题