S5 10 三角學的應用

S5 10 三角學的應用

8th Grade

11 Qs

quiz-placeholder

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S5 10 三角學的應用

S5 10 三角學的應用

Assessment

Quiz

Mathematics

8th Grade

Hard

Created by

Wong Carmen

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

請預備 1 支筆,1 張草稿紙,然後回答以下問題。

已預備

懶得預備

(後果自負)

2.

MATH RESPONSE QUESTION

1 min • 1 pt

Media Image

圖中,由 O 測 P 的方位為 S86oE,且由 O 測 Q 的方位為 N32oE。求 QOP(不用輸入單位)

In the figure, the bearing of P from O is S86oE and the bearing of Q from O is N32oE. Find QOP. (不用輸入單位)

Mathematical Equivalence

ON

Answer explanation

Media Image

3.

MATH RESPONSE QUESTION

1 min • 1 pt

Media Image

圖中,由 O 測 P 的方位為 S86oE,且由 O 測 Q 的方位為 N32oE。若 P 及 Q 與 O 等距,求 OQP。(不用輸入單位)
In the figure, the bearing of P from O is S86oE and the bearing of Q from O is N32oE. Find QOP. If P and Q are equidistant from O, find OQP. (不用輸入單位)

Mathematical Equivalence

ON

Answer explanation

Media Image

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

圖中,由 O 測 P 的方位為 S86oE,且由 O 測 Q 的方位為 N32oE。若 P 及 Q 與 O 等距,則由 Q 測 P 的方位為
In the figure, the bearing of P from O is S86oE and the bearing of Q from O is N32oE. Find QOP. If P and Q are equidistant from O, then the bearing of P from Q is

N24oW。

N27oW。

S24oE。

S27oE。

Answer explanation

正確答案:S27°E

(請耐心等候左邊影片解說)

5.

MATH RESPONSE QUESTION

3 mins • 3 pts

某船位於燈塔以西 50 km 。若該船沿 S60°E 方向移動,則該船與燈塔間的最短距離是 _____ km。

A ship is 50 km due west of a lighthouse. If the ship moves in the direction S60°E, then the shortest distance between the ship and the lighthouse is _____ km.

Mathematical Equivalence

ON

Answer explanation

正確答案:25 (km)

(請耐心等候左邊影片解說)

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

圖中,AD 為立於水平地面 BCD 上的鉛垂柱。哪一個角是 AB 與平面 ACD 間的交角?

 In the figure, AD is a vertical pole standing on the horizontal ground BCD. Which is the angle between AB and the plane ACD?

∠ABD

∠ACD

∠BAD

∠CAD

Answer explanation

Media Image

7.

MATH RESPONSE QUESTION

2 mins • 2 pts

Media Image

圖中,AD 為立於水平地面 BCD 上的鉛垂柱。 若 AB=25m、AD=15m、BC=29m 及 CD=21m, 求 AB 與平面 ACD 間的交角準確至最接近的度。(不用輸入單位)

 In the figure, AD is a vertical pole standing on the horizontal ground BCD. If AB=25m, AD=15m, BC=29m and CD=21m, find the angle between AB and the plane ACD correct to the nearest degree. (不用輸入單位)

Mathematical Equivalence

ON

Answer explanation

正確答案:53°

(請耐心等候左邊影片解說)

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