# Law of Sine and Law of Cosine

## Quiz by Patrick Morgado

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25 questions
Show answers
• Q1
What is the measure of angle A?
60 degrees
74 degrees
78 degrees
50 degrees
300s
• Q2
What is the length of side x?
150 cm
112 cm
105 cm
130 cm
300s
• Q3
Find the measure of ∠A
18
28
25
24
300s
• Q4
How many triangles can you make if A=53, b=6, and a=4?
Infinitely many
2
0
1
300s
• Q5
How many triangles can you make if A=53, b=6, and a=5?
1
2
Infinitely many
0
300s
• Q6
If the sides of a triangle are 12,5, and 2. What is the area?
This triangle does not exist
12
40.65
19
300s
• Q7
Calculate the length of AC.
27
24
30
35
300s
• Q8
Based on the given information determine the number of unique triangles that may exist.A= 37°, a=8, b=14
3 Triangles
1 Triangle
No Triangles
2 Triangles
300s
• Q9
Based on the given information determine the number of unique triangles that may exist.A = 51º, b = 17, a = 20
3
0
1
2
300s
• Q10
Which of the following is not a Law of Sines problem?
AAS
SSA
SAS
ASA
300s
• Q11
Find AC
23
10
12
14
300s
• Q12
6.99
13.59
6.33
7.83
300s
• Q13
Find angle Z
57.713 degrees
51.055 degrees
71.232 degrees
20.145 degrees
300s
• Q14
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.   Which of these is nearest to the height of the lighthouse?
81 feet
25 feet
44 feet
185 feet
300s
• Q15
What is the measure of angle A?
74 degrees
50 degrees
60 degrees
78 degrees
300s

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