1 . 如图,某学生社团在校园内测量远处某栋楼
的高度,
为楼顶,线段
的长度为
,在
处测得
,在
处测得
,且此时看楼顶
的仰角
,已知楼底
和
、
在同一水平面上,则此楼高度![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
____
(精确到
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32104db790d4e50ec851086996c62020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6c13b8f82ab4d6f721cb6dd01f4e4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ab3a5d1ea0c636cb9e215a2ea325ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0569f82414ff293c1404e1757e4ec74f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/e1ec5d678ec42846e1d28301e3bfd4be.png)
![](https://img.xkw.com/dksih/QBM/2019/8/22/2274179592306688/2275002089218048/STEM/9dd18685883049c29995461650a1d477.png?resizew=12)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef959a420dc4a40d40e1960a68d1acce.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/17/beb1ca2f-1447-4aea-ae39-69bdabf510a0.png?resizew=147)
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2019-08-23更新
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4卷引用:2019年上海市长宁(嘉定)区高三上学期期末质量检测(一模)数学试题
2019年上海市长宁(嘉定)区高三上学期期末质量检测(一模)数学试题【全国百强校】河北省邢台市第一中学2018-2019学年高一下学期第一次月考数学试题(已下线)专题4.7 解三角形及其应用举例-《2020年高考一轮复习讲练测》(浙江版)(讲)2019年上海市长宁区、嘉定区高三上学期期末教学质量检测(一模)数学试题