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仰角和俯角

Authored by Kong (ksc)

Mathematics

11th Grade

Used 5+ times

仰角和俯角
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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由 A 測得 B 的仰角是 47°

True

False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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由 K 觀察 H 的俯角是 

 32°32\degree  

 58°58\degree  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

圖中,由水平地面 P 測得觀光塔塔頂 O 的仰角是 56°。若 P 與塔相距 27 m,求 OP

sin 56° =OP27\sin\ 56\degree\ =\frac{OP}{27}

cos 56° =OP27\cos\ 56\degree\ =\frac{OP}{27}

tan56° =27OP\tan56\degree\ =\frac{27}{OP}

cos 56° =27OP\cos\ 56\degree\ =\frac{27}{OP}

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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圖中,一塊積木位於水平地面上的 B 點。一鉛垂杆 PQ 的高度是 4 m。若 B Q 的水平距離是 3.6 m,求由 B 測得 P 的仰角 θ\theta  。

 tanθ =43.6\tan\theta\ =\frac{4}{3.6}  

 tanθ =3.64\tan\theta\ =\frac{3.6}{4}  

 sinθ =43.6\sin\theta\ =\frac{4}{3.6}  

 sinθ =3.64\sin\theta\ =\frac{3.6}{4}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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當一人觀察位於他上方的物件時,視線與水平線之間

的夾角稱為__。

仰角

俯角

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

若由B測得A的俯角是40°,求由A測得B的仰角。

20°

40°

50°

60°

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

圖中,偉賢觀察一隻坐在水平地面的貓。偉賢的眼睛離水平地面1.5 m且貓與偉賢相距3 m。求由偉賢測得貓的俯角,準確至最接近的度。

24°24\degree

25°25\degree

26°26\degree

27°27\degree

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