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Chapter 9 Review

Total questions: 22

Worksheet time: 2hrs 50mins

Name
Class
Date
1.
The ratio in a right triangle of adjacent to hypotenuse is _____
a)
sine
b)
cosine
c)
tangent
d)
inverse cosine
2.
 Find side AB?
a)
20 m
b)
5 m
c)
11.54 m
d)
8.66 m
3.
Choose the correct ratio.
a)
A
b)
B
c)
C
d)
D
4.
Choose the correct ratio.
a)
sin(37)=x/14
b)
cos(37)=x/14
c)
tan(37)=x/14
d)
sin(37)=14/x
5.
Find the length of side w.
a)
21.4 cm
b)
18.0 cm
c)
36.5 cm
d)
43.6 cm
6.
Solve for x.
a)
24.20
b)
4.92
c)
290.4
d)
29.75
7.
Solve for the misssing distance
a)
18.9
b)
19.5
c)
47
d)
27.5
8.

Which trigonometric ratio should you use?

a)

Tangent Ratio

b)

Sine Ratio

c)

Cosine Ratio

d)

Any ratio

9.

Which trigonometric ratio should you use?

a)

Tangent Ratio

b)

Sine Ratio

c)

Cosine Ratio

d)

Any ratio

10.

Which trigonometric ratio should you use?

a)

Tangent Ratio

b)

Sine Ratio

c)

Cosine Ratio

d)

Any ratio

11.
What is the length of the hypotenuse?
a)
16
b)
30
c)
34
12.
What is the length of the side opposite ∠X?
a)
16
b)
30
c)
34
13.
What is the ratio for Sine?
a)
Hyp/Opp
b)
Opp/Hyp
c)
Opp/Adj
d)
Adj/Opp
14.

What is the ratio for Tangent

a)

Opp/Adj

b)

Adj/Opp

c)

Opp/Hyp

d)

Hyp/Opp

15.
What is the ratio for Cosine?
a)
Opp/Hyp
b)
Opp/Adj
c)
Adj/Opp
d)
Adj/Hyp
16.

Which is the correct applied ratio?

a)

A

b)

B

c)

C

d)

D

17.
Use inverse trig ratios (SOH CAH TOA) to solve for the missing angle
a)
49°
b)
57°
c)
45°
d)
54°
18.

You are attacking an enemy castle. Your strategy is to go over the castle wall. You are 1500 meters away from the bottom of the wall. You measure the angle of elevation to the top of the wall at 3o. How tall is the enemy castle wall?

a)

78.6 meters

b)

1498.0 meters

c)

78.5 meters

d)

75.3 meters

19.

You are on a ship at sea. You see a lighthouse in the distance. You know the lighthouse is 175 feet tall. You measure the angle of elevation to the top of the lighthouse at 5o. How far are you from the bottom of the lighthouse?

a)

2000.3 feet

b)

2007.3 feet

c)

1997.9 feet

d)

2134.8 feet

20.
What is the opposite side to <D?
a)
EF
b)
DF
c)
DE
21.
Which trigonometric ratio you should use to find the height(h)?
a)
sin 60 = h/1000
b)
cos 60 = h / 1000
c)
cos 60 = 1000/h
d)
tan 60 = h / 1000
22.
 Find side AB?
a)
20 m
b)
5 m
c)
11.54 m
d)
8.66 m

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