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解题方法
1 . 为了测量某座山的高度,某兴趣小组在该座山山顶
处俯瞰山脚所在水平地面上不共线的三点,测得它们的俯角均为
,查阅当地地图可知该三点间距离分别为
,
,
,则山高为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7214611384485b25e300a2fbe2a3ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7214611384485b25e300a2fbe2a3ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82281bd698f67d16e5b29bf5664b6dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
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