WorksheetsLaws of Sine and Cosine
Total questions: 20
Worksheet time: 1hrs 20mins
Name
Class
Date
1.
Find m<B
a)
A
b)
B
c)
C
d)
D
2.
Find BC
a)
A
b)
B
c)
C
d)
D
3.
Find the area to the nearest tenth
a)
A
b)
B
c)
C
d)
D
4.
Find BC
a)
A
b)
B
c)
C
d)
D
5.
1.What is the length of side x?
a)
6.57 cm
b)
7 cm
c)
7.44 cm
d)
26.33 cm
6.
4. Name the smallest angle in this triangle.
a)
∠A
b)
∠B
c)
∠C
7.
5. Find alpha
a)
53.6
b)
13.3
c)
113.1
d)
78.2
8.
8.Solve for x
a)
3.85
b)
4.25
c)
3.35
d)
5.65
9.
a)
A
b)
B
c)
C
d)
D
10.
find X
a)
52
b)
33
c)
41
d)
29
11.
Use the Law of Sines to solve for BC
a)
33
b)
24
c)
12
d)
29
12.
Find angle A
a)
53.6
b)
13.3
c)
113.1
13.
Use the Law of Cosines to find the value of x.
a)
41.7
b)
51.7
c)
61.7
d)
71.7
14.
Which Law would you use?
a)
Law of Sines
b)
Law of Cosines
c)
Law of the Jungle
d)
Law of Gravity
15.
Find the measure of ∠A
a)
18
b)
28
c)
25
d)
24
16.
Use the Law of Sines to solve for BC
a)
33
b)
24
c)
12
d)
29
17.
Find AB
a)
10
b)
8
c)
6.1
d)
4.9
18.
What is the measure of angle A?
a)
50 degrees
b)
60 degrees
c)
78 degrees
d)
74 degrees
19.
What is sin-1(1/2)?
a)
150
b)
120
c)
60
d)
30
20.
What is cos-1(0)?
a)
-180
b)
90
c)
0
d)
-90
100 %
