1 . 一艘游轮航行到
处时看灯塔
在
的北偏东
,距离为
海里,灯塔
在
的北偏西
,距离为
海里,该游轮由
沿正北方向继续航行到
处时再看灯塔
在其南偏东
方向,则此时灯塔
位于游轮的______________ 方向
用方向角作答
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
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2 . 某地为了更好地开发当地的旅游资源,决定在两座山头建一条索道,现测得两座山高分别为
米,
米.从山脚下的
处测得
处的仰角为
,
处的仰角为
,
,点
,
,
在同一水平面内,
,
,则两座山的山顶
,
之间的距离是______ 米.(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e2d4c69dc4cd1985c5877f49e22634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664ef8298f9c6eef667861e1da9bd8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/903c1bb6f9fe8f9b9710683a3e601452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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3 . 为了测量一古塔的高度,某人在塔的正西方向的
地测得塔尖的仰角为
,沿北偏东
前进100米到达
地(假设
地和
地在海拔相同的地面上),在
地测得塔尖的仰角为
,则塔高为__________ 米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
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4 . 如图,2024年元宵节在浙江桐乡凤凰湖举行“放孔明灯”活动.为了测量孔明灯的高度,在地上测量了一根长为200米的基线
,在点
处测量这个孔明灯的仰角为
,在
处测量这个孔明灯的仰角为
,在基线
上靠近
的四等分点处有一点
,在
处测量这个孔明灯的仰角为
,则这个孔明灯的高度![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a548e8a2e2205f2faa87e25180a083.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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5 . 如图,一辆汽车在一条水平的公路上向正西行驶,到达
处时测得公路右侧一山底
在西偏北
的方向上;行驶
后到达
处,测得此山底
在西偏北
的方向上,山顶
的仰角为
,则此山的高度![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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6 . 远赴仙境惊鸿宴,一睹人间盛世颜.位于河南洛阳的老君山群山竞秀,拔地通天.一位同学在领略老君山的美景时,用无人机测量了其中一座小山的海拔与该山最高处的古塔AB的塔高.如图,无人机的航线与塔AB在同一铅直平面内,无人机飞行的海拔高度为
,在
处测得塔底
(即小山的最高处)的俯角为
,塔顶
的俯角为
,向山顶方向沿水平线
飞行
到达
处时,测得塔底
的俯角为
,则该座小山的海拔为________
;古塔AB的塔高为________ m.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c5729584c8dce7264e11704c61e199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/6/24/ebd9999d-0d19-4dca-aa96-d7c651fdb356.png?resizew=162)
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7 . 某林场为了及时发现火情,设立了两个观测点A和B.某日两个观测点的林场人员都观测到C处出现火情.在A处观测到火情发生在北偏西
方向,而在B处观测到火情在北偏西
方向.已知B在A的正东方向
处,那么火场C与A距离约为___________
.(结果精确到
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36581140ebac5d28438ea63b1b23b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc9600d011c14315338e99623269d3b.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b36b7bffda85107582b021928dbd4d3c.png)
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名校
8 . 海宝塔位于银川市兴庆区,始建于北朝晚期,是一座方形楼阁式砖塔,内有木梯可盘旋登至顶层,极目远眺,巍巍贺兰山,绵绵黄河水,塞上江南景色尽收眼底.如图所示,为了测量海宝塔的高度,某同学(身高173cm)在点
处测得塔顶
的仰角为
,然后沿点
向塔的正前方走了38m到达点
处,此时测得塔顶
的仰角为
,据此可估计海宝塔的高度约为__________ m.(计算结果精确到0.1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e0c2455a9e796bba6861503f0fe31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea06b78df3f0847f358714357a18d30.png)
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7日内更新
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314次组卷
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3卷引用:宁夏回族自治区银川九中、平罗中学、贺兰二高、西吉中学2024届高三第四次模拟考试联考数学(文)试题
宁夏回族自治区银川九中、平罗中学、贺兰二高、西吉中学2024届高三第四次模拟考试联考数学(文)试题福建省福州市部分学校教学联盟2023-2024学年高一下学期期末模拟考试数学试题(已下线)【高一模块一】难度8 小题强化限时晋级练(较难2)
9 . 如图,已知两座山的海拔高度
米,
米,在BC同一水平面上选一点
,测得
点的仰角为
点的仰角为
,以及
,则M,N间的距离为____________ 米.(结果保留整数,参考数据
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9cbea10075834324a661a4514c4e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664ef8298f9c6eef667861e1da9bd8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96826763a0ea52872b73c25460e2d973.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e37ef1a48dbbf1c399ece970d3a92c.png)
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10 . 如图,为了测量某建筑物的高度OP,测量小组选取与该建筑物底部
在同一水平面内的两个测量基点
与
.现测得
米,
20米,在测量基点
测得建筑物顶点
的仰角为
,则该建筑物的高度OP为____________ 米.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/e720e101184647f20c062a492e5b67af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a836d2dfc31d2bfc949bac8403cf2a4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
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2024-06-19更新
|
288次组卷
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3卷引用:山东省聊城第一中学等部分学校2023-2024学年高一下学期5月质量监测联合调考数学试题