1 . 遇龙塔建于明代万历年间,简体砖石结构,屹立于永州市城北潇水东岸,为湖南省重点文物保护单位之一.游客乘船进行观光,到达潇水河河面的
处时测得塔顶在北偏东45°的方向上,然后向正北方向行驶
后到达
处,测得此塔顶在南偏东
的方向上,仰角为
,且
,若塔底
与河面在同一水平面上,求此塔
的高度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca0b899ec28caeaaef55143753151bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c6344f4cb0181eb91a1aacf203356f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810b8fed94c1abee5129ff092594d703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
2019-09-18更新
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172次组卷
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2卷引用:湖南省永州市2018-2019学年高一下学期期末考试数学试题2