What can I do?
Study Talk
Q&A
Notebooks
subjects
Tutoring Schools
Sign up
Sign in
My Account
Already have an account?
Forgot password?
Sign in
Clearnote
Q&A
Senior High
Mathematics
求解🙏🏻
Mathematics
Senior High
about 1 yearago
妍
求解🙏🏻
回 阿悟想測量操場上某旗桿的高度(旗桿與地面是垂直的)。他先在旗桿的正西方4點處測得 「桿頂的仰角45°,然後在旗桿的西30°南的B點處測得桿頂的仰角為60°。設AB=20公尺, 旗桿頂點為C,地面上桿底為D,試回答下列問題: (1)設CD=h,則BD= h 1 (2 ③h ④√3h ⑤2h 公尺。 2 √3 (2)旗桿長 CD = 205公尺。 答 孙 45 【家齊高中】 10 B B
Answers
夢中學
about 1 yearago
這樣
妍
about 1 yearago
想問畫線處的原因
夢中學
about 1 yearago
直角三角形 三角比
Post A Comment
Login to post answer.
Login and Answer Question
Create New Account
Were you able to resolve your confusion?
Yes, all good!
Not really
Users viewing this question
are also looking at these questions 😉
Mathematics
Senior High
about 3 hours
第二小題。求解,為什麼會出現「n>=4」的判斷(藍色底線部分)?
Mathematics
Senior High
about 4 hours
二項式定理 求解
Mathematics
Senior High
about 8 hours
二項式定理 求解 🙏
Mathematics
Senior High
about 10 hours
圖形的組合問題,求第二小題,答案是47個△
Mathematics
Senior High
about 19 hours
請問57題🥲謝謝🙏
Mathematics
Senior High
1 day
請問要怎麼證明😭謝謝🙏
Mathematics
Senior High
2 days
為什麼不能看成線性變化來解題? 不用線性變化來解的話要怎麼解呢? 答案是(5)
Mathematics
Senior High
5 days
答案是A面向 急🙏
Mathematics
Senior High
8 days
怎解?
Mathematics
Senior High
8 days
為什麼是8個?
Recommended
[107學測]數學觀念總整理(上)
5262
40
文藝青年
[107學測]數學觀念總整理(下)
3746
18
文藝青年
數學 核心100 口訣完結篇
792
25
安娜
[數學] 第三冊全 公式懶人包🔚
728
11
自然系迷你兔(焦糖吐司)
想問畫線處的原因