WorksheetsLaw of Sines/Cosines
Total questions: 10
Worksheet time: 32mins
Name
Class
Date
1.
1.What is the length of side x?
a)
6.57 cm
b)
7 cm
c)
7.44 cm
d)
26.33 cm
2.
2. Find: a
β = 70°
c = 11
α = 40°
a)
11
b)
7.5
c)
70
d)
8
3.
3. How many triangles does the following form?
α=124°
a=1
b=2
a)
0
b)
1
c)
2
d)
Infinite
4.
4. Name the smallest angle in this triangle.
a)
∠A
b)
∠B
c)
∠C
5.
5. Find alpha
a)
53.6
b)
13.3
c)
113.1
d)
78.2
6.
6. Solve for b
α = 95∘
β = 45∘
a = 5
a)
3.55
b)
3.22
c)
4.12
d)
4.89
7.
7.How Many Triangles would be possible?
a)
2
b)
1
c)
0
d)
INFINITE
8.
8.Solve for x
a)
3.85
b)
4.25
c)
3.35
d)
5.65
9.
9.Solve for a.
a)
4.28
b)
8.56
c)
3.22
d)
9.45
10.
10.Solve for Beta
a)
45.2
b)
26.3
c)
36.3
d)
56.2
100 %
