1 . 如图所示,为了测量湖中
两处亭子间的距离,湖岸边现有相距100米的甲、乙两位测量人员,甲测量员在
处测量发现
亭子位于北偏西
亭子位于东北方向,乙测量员在
处测量发现
亭子位于正北方向,
亭子位于北偏西
方向,则
两亭子间的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55090b195870f1007872cf2648821387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/11/8058dc3c-e745-45f1-8e02-1def49cad23f.png?resizew=186)
A.![]() | B.![]() | C.![]() | D.![]() |
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5卷引用:湖南省郴州市嘉禾县第一中学2020-2021学年高一下学期第一次月考数学试题
湖南省郴州市嘉禾县第一中学2020-2021学年高一下学期第一次月考数学试题云南省曲靖天人高级中学2022-2023学年高一下学期期中考试数学试题江西省宁冈中学2023-2024学年高二上学期开学考试数学试题(已下线)专题06 解三角形(题型专练)-《知识解读·题型专练》(人教A版2019必修第二册)(已下线)6.4.3 课时3 余弦定理、正弦定理应用举例-同步题型分类归纳讲与练(人教A版2019必修第二册)
2 . 如图所示,一辆汽车在一条水平的公路上向正西行驶,到A处时测得公路北侧一山在西偏北
的方向上,行驶
后到达B处,测得此山顶在西偏北
的方向上,仰角为
,则此山的高度
( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/7/2d86a37d-e10e-4c79-b4f9-a8c54a7da7c5.png?resizew=194)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5980537b6c24aba358236446e7135daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a4c9b697e3df2b5469b71d3b5e47a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/7/2d86a37d-e10e-4c79-b4f9-a8c54a7da7c5.png?resizew=194)
A.![]() | B.![]() | C.![]() | D.![]() |
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4卷引用:河南省新乡市诚城卓人学校2021-2022学年高一上学期10月半月考数学试题
河南省新乡市诚城卓人学校2021-2022学年高一上学期10月半月考数学试题(已下线)第12讲 余弦定理、正弦定理的应用(已下线)11.3 余弦定理、正弦定理应用(1)-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)广西名校2023届高三下学期3月份联考数学(理)试题
3 . 如图,为了测量河的宽度,在岸边选定两点A,B,望对岸的标记物C,测得
米,则河的宽度为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/946a8dbc-b44a-452d-b364-a3e68175df0b.png?resizew=186)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6e95454f7c6a456e2503046a49a947.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/946a8dbc-b44a-452d-b364-a3e68175df0b.png?resizew=186)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:河南省永城市第一高级中学2021-2022学年高二上学期期中考试数学(理)试题
名校
4 . 唐代数学家、天文学家僧一行,利用“九服晷影算法”建立了从0°到80°的晷影长l与太阳天顶距θ的对应数表.已知晷影长l、表高h与太阳天顶距θ满足l=htanθ,当晷影长为0.7时,天顶距为5°.若天顶距为1°时,则晷影长为( )(参考数据:tan1°≈0.0175,tan3°≈0.0349,tan5°≈0.0875)
A.0.14 | B.0.16 | C.0.18 | D.0.24 |
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6卷引用:江苏省连云港市2021-2022学年高三上学期期中数学试题
江苏省连云港市2021-2022学年高三上学期期中数学试题河南省驻马店市新蔡县第一高级中学2021-2022学年高二上学期12月半月考(文科)数学试题(已下线)6.4平面向量的应用A卷(已下线)第6章 平面向量及其应用(新文化30题专练)-2021-2022学年高一数学考试满分全攻略(人教A版2019必修第二册)贵州省黔西南州金成实验学校2021-2022学年高一下学期4月质量监测数学试题(已下线)期末测试卷01(基础卷)-【满分计划】2022-2023学年高一数学阶段性复习测试卷(苏教版2019必修第一册)
5 . 二七罢工纪念塔位于郑州市二七广场,是为纪念京汉铁路工人大罢工中牺牲的烈士,继承和发扬“二七”革命传统文化精神而修建的纪念性建筑物.某校为庆祝中国共产党建立
周年,组织学生参观二七罢工纪念塔.同学们在参观过程中,对纪念塔的塔高产生了兴趣,为测量塔的高度,甲同学在二七广场
地测得纪念塔顶
的仰角为
,乙同学在二七广场
地测得纪念塔顶端
的仰角为
,塔底为
在同一水平面上,
平面
),量得
m
则纪念塔的高
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efba7147f5b9ced8bc4a72f0a9fb8af.png)
![](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/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/4a0f1f2856cacb3e5aa3b81a3e6b87ba.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 如图,已知两座山高分别为
米,
米,为测量这两座山峰
之间的距离,选择水平地面上一点
为观测点,测得
,则这两座山峰
之间的距离是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/41949915-08c6-4a33-ad51-25d036847233.png?resizew=191)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/594e53b567ad5261df621e560474598e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a453eea7193e6a45b1138f11df3460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4ae07777a4e69d71efe356b8174c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b91c0ed3f84d68e3f09ec8e94efee78d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4ae07777a4e69d71efe356b8174c84.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/41949915-08c6-4a33-ad51-25d036847233.png?resizew=191)
A.![]() | B.![]() | C.20000米 | D.100000米 |
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2卷引用:福建省大田县第一中学2022届高三上学期期中考试数学试题
7 . 如图,为了测量山高
,选择A和另一座山的山顶C为测量观测点,从A点测得M点的仰角为
,C点的仰角为
以及
,从C点测得
,已知山高
,则山高
为( )
![](https://img.xkw.com/dksih/QBM/2021/11/15/2851706431455232/2860446501322752/STEM/39a847e0-4175-4ee3-88ff-e95fa3b452b3.png?resizew=258)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a61ee9c2a3a4f2690dad01ef53ede1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffdd51cda1514e65f4f3dd506a854562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4575547f1b422c7b0bab76d2b55ddceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://img.xkw.com/dksih/QBM/2021/11/15/2851706431455232/2860446501322752/STEM/39a847e0-4175-4ee3-88ff-e95fa3b452b3.png?resizew=258)
A.![]() | B.![]() | C.![]() | D.![]() |
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3卷引用:陕西省咸阳市泾阳县2021-2022学年高二上学期期中文科数学试题
8 . 已知某观赏渔场有三个观赏亭,观赏亭A位于观赏亭
的正北方向且二者之间的水平距离为
,观赏亭
位于观赏亭
的东偏南
方向且二者之间的水平距离为
,则观赏亭A与观赏亭
之间的水平距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2351df22087d65be69519770be21c20f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f256afee1098dac22f423b19b43c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
9 . 5G是中国的一张名片,据报道,中国在5G时代领先德国的时间至少在两年以上.某地为加强5G网络建设拟修建一信号塔.如图,线段
表示一信号塔,
表示一斜坡,
.且
,
,
三点在同一水平线上,点
,
,
,
,
在同一平面内,斜坡
的坡比为
,
米.某人站在坡顶
处测得塔顶
点的仰角为
,站在坡底
处测得塔顶
点的仰角为
(人的身高忽略不计),则信号塔的高度
为( )(结果精确到1米).(参考数据:
,
,
,
)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/98afb3d7-7f21-4ea1-b810-3586c832bd7f.png?resizew=237)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e516ceb18187fd8b776dc0569871987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ae4648929f7f6442052d5ad971a850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c383f136a83ccb2d9084450fb25fc3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8141d00b74eb4c50bf861e6ff0edf137.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/2f124aa6c15a72314d59122603b4af79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ac320f471b22ebb0e78b94fb6df85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c8d86d304069fb4b15ca518ad55d25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f80f5b05c74aeefbe9513a56787fb0ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18940182fc4efb975bad42b16a0d795.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/7/98afb3d7-7f21-4ea1-b810-3586c832bd7f.png?resizew=237)
A.54米 | B.58米 | C.76米 | D.85米 |
您最近一年使用:0次
2021-11-23更新
|
283次组卷
|
4卷引用:山西省怀仁市第一中学2022届高三上学期期中数学(理)试题
山西省怀仁市第一中学2022届高三上学期期中数学(理)试题(已下线)第2讲 三角恒等变换与解三角形(练·)-2022年高考数学二轮复习讲练测(新教材·新高考)新疆维吾尔自治区乌鲁木齐市第101中学2023届高三上学期12月月考理科数学试题江西省南昌市八一中学2023届高三三模文科数学试题
10 . 大型城雕“商”字坐落在商丘市睢阳区神火大道与南京路交汇处,“商”字城雕有着厚重悠久的历史和文化,它时刻撬动着人们认识商丘、走进商丘的欲望.吴斌同学在今年国庆期间到商丘去旅游,经过“商”字城雕时,他想利用解三角形的知识测量一下该雕塑的高度(即图中线段
的长度).他在该雕塑塔的正东
处沿着南偏西
的方向前进
米后达到
处(
,
,
三点在同一个水平面内),测得图中线段
在东北方向,且测得点
的仰角为
,则该雕塑的高度大约是(参考数据:
)( )
![](https://img.xkw.com/dksih/QBM/2021/11/20/2855447185768448/2855948381609984/STEM/5569c41e-9076-40b5-8f79-0a43207de429.png?resizew=176)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce5fc0b2b276e0da44983539dd8cd73.png)
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4卷引用:河南省商开大联考2021-2022学年高二上学期期中考试文科数学试题