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Worksheets

Trigonometry

Total questions: 14

Worksheet time: 44mins

Name
Class
Date
1.

What is the COSINE ratio of any angle in a right triangle?

a)

b)

c)

d)

2.
cos B = ?
a)
12/13
b)
12/5
c)
5/13
d)
5/12
3.
Solve for the missing angle.
a)
50.5 degrees
b)
12.7 degrees
c)
36.9 degrees
d)
72.2 degrees
4.
What is the correct ratio?
a)
20/12
b)
12/20
c)
12/16
d)
16/12
5.
Find the length of side w.
a)
21.4 cm
b)
18.0 cm
c)
36.5 cm
d)
43.6 cm
6.

Which trigonometric ratio should you use?

a)

Tangent Ratio

b)

Sine Ratio

c)

Cosine Ratio

d)

Any ratio

7.
 Find side AB?
a)
20 m
b)
5 m
c)
11.54 m
d)
8.66 m
8.

Solve for the missing distance (d)

a)
18.9
b)
19.5
c)
47
d)
27.5
9.

What is the correct equation to solve for side w?

a)

sin 40 = w/28

b)

cos 40 = w/28

c)

tan 40 = w/28

d)

sin 40 = 28/w

10.

Elizabeth is flying a kite, which gets caught in the top of a tree. Use the diagram to estimate the height of the tree.

a)

63.6 ft

b)

1.59 ft

c)

74.2 ft

d)

86.9 ft

11.

For the triangle shown, name the hypotenuse.

a)

side AB

b)

side AC

c)

side BC

12.

A yacht is anchored 90 feet offshore from the base of a lighthouse.  The angle of elevation from the boat to the top of the lighthouse is 26 degrees.  The distance between the yacht and the top of the lighthouse is about 100 feet.  Which of these is closest to the height of the lighthouse? 

a)

10 feet

b)

45 feet

c)

110 feet

d)

135 feet

13.

Which ratio should you use to find Tangent W?


SOH-CAH-TOA

a)

b)

c)

d)

14.

A tourist views a deer from a height of 45 feet.  The horizontal distance between the tourist and the deer is 130 feet.  How many degrees should the tourist tilt his camera down to photograph the deer? Round your answer to the nearest degree.  

a)

19 degrees

b)

45 degrees

c)

71 degrees

d)

138 degrees