WorksheetsTrigonometry and Law of Sines/Cosines
Total questions: 20
Worksheet time: 1hrs 2mins
Name
Class
Date
1.
Find x.
a)
14.3
b)
7.3
c)
31.4
d)
35.2
e)
10.6
2.
Find x.
a)
41.8
b)
48.2
c)
33.7
d)
36.1
3.
Find x.
a)
15.8
b)
12.3
c)
25.6
d)
15.6
4.
Find x.
a)
38.7
b)
32.0
c)
58.4
d)
51.3
5.
Find x.
a)
2.3
b)
5.6
c)
9.8
d)
11.0
6.
What is the ratio for Sine?
a)
Hyp/Opp
b)
Opp/Hyp
c)
Opp/Adj
d)
Adj/Opp
7.
Find angle CDB.
a)
68.7
b)
21.3
c)
19.3
d)
22
8.
What is the correct ratio for cos C ?
a)
9/41
b)
40/41
c)
9/40
d)
40/9
9.
What is the correct ratio for tan Z ?
a)
7/24
b)
24/7
c)
7/25
d)
24/25
10.
Find the area of the triangle. Round your answer to 1 decimal place..
a)
28.6 cm2
b)
28 cm2
c)
27.9 cm2
d)
28.7 cm2
11.
Find AB
a)
10
b)
8
c)
6.1
d)
4.9
12.
Find AC
a)
12
b)
10
c)
23
d)
14
13.
What is the measure of angle A?
a)
58 degrees
b)
61 degrees
c)
78 degrees
d)
74 degrees
14.
Find QR
a)
34.7 km
b)
22.2 km
c)
13.7 km
d)
31.1 km
15.
Find the measure of angle Z
a)
20.15°
b)
71.23°
c)
51.06°
d)
57.71°
16.
Find the measure of angle T
a)
62.2°
b)
53.1°
c)
59.5°
d)
64.7°
17.
Which of the following formulas shows the Law of Cosines?
a)
c2 = a2 + b2 - 4ac + cosA
b)
c2 = a2 - b2 - 2abcosC
c)
c2 = a2 + b2 - 2abcosC
d)
(cos A)/a = (cos B)/b
18.
Which Law would you use?
a)
Law of Sines
b)
Law of Cosines
c)
Law of the Jungle
d)
Law of Gravity
19.
Which Law would you use?
a)
Law of Sines
b)
Law of Cosines
c)
Law of the Jungle
d)
Law of Gravity
20.
Find XZ
a)
16.004 meters
b)
28.165 meters
c)
34.701 meters
d)
1204.165 meters
100 %
