9.2 仰角和俯角

9.2 仰角和俯角

9th Grade

10 Qs

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9.2 仰角和俯角

9.2 仰角和俯角

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Hard

Created by

SUNG 宋穎欣

Used 5+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

P 測得 Q 的仰角為 50°,則由 Q 測得 P 的俯角為

40°

50°

90°

180°

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

圖中哪一隻角代表由 BA 的俯角?

a

b

c

d

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

圖中哪兩隻角為錯角?

ab

ac

bc

bd

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

參看附圖,以下哪一個方程是正確的?

sinA=35\sin\angle A=\frac{3}{5}

tanA=35\tan\angle A=\frac{3}{5}

cosA=53\cos\angle A=\frac{5}{3}

sinA=53\sin\angle A=\frac{5}{3}

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

承上題,解 tanA=35\tan\angle A=\frac{3}{5} ,答案準確至最接近的度。

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

參看附圖,以下哪一個方程是正確的?

sinθ=56200\sin\theta=\frac{56}{200}

cosθ=56200\cos\theta=\frac{56}{200}

cos56°=x200\cos56\degree=\frac{x}{200}

tan56°=x200\tan56\degree=\frac{x}{200}

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

承上題,解 cos56°=x200\cos56\degree=\frac{x}{200} ,答案準確至三位有效數字。

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