review exercise 40 (objective)

15
REVIEW EXERCISE 40 Objective Questions 1. In the diagram, S is the midpoint of PQ. If tan x = and PR = 10 cm, then tan y = C 2. In the diagram, EFG and GHI are straight lines. If tan x = 2, then tan y = C © Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR 1

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Page 1: Review Exercise 40 (Objective)

REVIEW EXERCISE 40Objective Questions

1.

In the diagram, S is the midpoint of PQ. If tan x = and PR = 10 cm, then tan y =

A

B

C

D

2.

In the diagram, EFG and GHI are straight lines.If tan x = 2, then tan y =

A

B

C

D 1

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR1

Page 2: Review Exercise 40 (Objective)

3.

In the diagram, sin x = . The value of y is

A6.4B 8.6C 9D 12

4.

In the diagram, find the value of sin θ.

A

B

C

D

5.

In the diagram, sin t = . Find the value of x.

A4B 6C 7D 8

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR2

Page 3: Review Exercise 40 (Objective)

6.

In the diagram, the value of cos x is

A

B

C

D

7.

In the diagram, LMN and PNQ are straight lines. If cos x = , then tan y is

A

B

C

D

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR3

Page 4: Review Exercise 40 (Objective)

8.

In the diagram, tan x = ,

The value of cos y is

A

B

C

D 1312

9.

Given that tan 42° = 0.9, sin 42° = 0.67 and cos 42° = 0.74. Calculate the height, in m, of the tree shown in the diagram.

A23.45B 25.9C 31.5D 32.9

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR4

Page 5: Review Exercise 40 (Objective)

10.

The diagram shows a kite flying in the sky. Given that tan 75° = 3.7, sin 75° = 0.97 and cos 75° = 0.26. Find the value of t.

A52B 194C 206D 740

11.

The diagram shows a flagpole that is supported by a wire QR. The angle PRQ, in degree, is

A30B 45C 50D 60

12.

In the diagram, KLM is a straight line. Given that tan x° = 1 and sin y° = .

Calculate the length, in cm, of LM.A12

B 18C 24D 26

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR5

Page 6: Review Exercise 40 (Objective)

13.

In the diagram, GMH and MFN are straight lines. If sin x° = , then the value of

tan y° is

A

B

C

D

14.

The diagram shows a square PQRS. M is the midpoint of RS. Find the value of cos x°.

A

B

C

D

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR6

Page 7: Review Exercise 40 (Objective)

15.

In the diagram, JMK is a straight line. Given that sin x° = . Find the value of

tan y°.

A

B

C

D

16.

In the diagram, M is the midpoint of QR. Given that cos y° = , calculate the value

of tan x°.

A

B

C

D

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR7

Page 8: Review Exercise 40 (Objective)

17.

In the diagram, HJK and JML are straight lines. Find the value of cos y°.

A

B

C

D

18.

Based on the diagram, which of the angle marked A, B, C, or D has a tangent value

of ?

19.

In the diagram, FJMP is a rectangle. JKS and PKM are straight lines. If tan x° = ,

then the value of sin y° is

A

B

C

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR8

Page 9: Review Exercise 40 (Objective)

D

20.

In the diagram, PMR is a straight line. M is the midpoint of PR. Which of the angle

marked A, B, C, or D has a cosine value of ?

21.

In the diagram, HJM and JPT are straight lines. Given that cos x° = , calculate the

value of tan y o.

A

B

C

D

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR9

Page 10: Review Exercise 40 (Objective)

22.

Based on the diagram, cos x° = . Calculate the length, in cm, of FG.

A14B 17C 19D 21

23.

In the diagram, PRMS is a straight line. M is the midpoint of RS. Given that

sin x° = , find the length of PR, in cm.

A5B 6C 7D 9

24.

Based on the diagram, calculate the length of FL, in cm,A6.69

B 7.43C 13.46D 14.94

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR10

Page 11: Review Exercise 40 (Objective)

25.

In the diagram, PQR is a straight line and PQ = QS. The length of QR, in cm, is

A6B 9C 10D 12

26.

In the diagram, HTL and LMQ are straight lines. M is the midpoint of LQ. Given that LQ = 8 cm, calculate the value of sin x°.

A

B

C

D

27.

In the diagram, PST and QTR are straight lines. S is the midpoint of PT. Given that

tan yº = , calculate the length of PQ, in cm.

A24B 25C 29D 30

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR11

Page 12: Review Exercise 40 (Objective)

28.

The diagram shows a square HJQS. The value of sin x° is

A

B

C

D

29.

In the diagram, PQR is a straight line. If sin xº = , then the value of tan yº is

A

B

C

D 2

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR12

Page 13: Review Exercise 40 (Objective)

30.

In the diagram, JPK is a straight line. Given that JP = 7 cm, calculate the value of tan xº.

A

B

C

D

31.

In the diagram, PQR is a straight line. Given that sin xº = . The length, in cm, of PR

isA30

B 48C 72D 78

© Pearson Malaysia Sdn. Bhd 2008 Essential Mathematics PMR13