Quiz about Unit 9 Lesson 7 Law of Sines

Question 1

Identify the Law of Sines

Accepted Answer

Sin(A)/a = Sin(B)/b = Sin(C)/c

Answer

Sin²x + Cos²x =1

Answer

Sin(A)Sin(B)Sin(C) = 1

Answer

Soh-Cah-Toa

Question 2

Find AB.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 3

Find BC.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 4

Find BC

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 5

Find AC

Accepted Answer

14

Answer

12

Answer

10

Answer

23

Question 6

What is the measure of angle A?

Accepted Answer

78 degrees

Answer

50 degrees

Answer

60 degrees

Answer

74 degrees

Question 7

Find x, the measure of the angle.

Accepted Answer

29

Answer

52

Answer

33

Answer

41

Question 8

find X

Accepted Answer

29

Answer

52

Answer

33

Answer

41

Question 9

Find m<B

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 10

Calculate the length of AC

Accepted Answer

27

Answer

30

Answer

24

Answer

35

Question 11

Calculate the length of BC

Accepted Answer

24

Answer

20

Answer

27

Answer

23

Question 12

What is the measure of angle A?

Accepted Answer

78 degrees

Answer

58 degrees

Answer

61 degrees

Answer

74 degrees

Question 13

Solve for x.

Accepted Answer

24.3

Answer

155.7

Answer

24.3 and 155.7

Answer

not possible.

Question 14

Find AB.

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 15

Find BC

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 16

What is the measure of angle A?

Accepted Answer

78 degrees

Answer

50 degrees

Answer

60 degrees

Answer

74 degrees

Question 17

solve the triangle:
A=65 C=65 a=12

Accepted Answer

B=50, b=10.1, c=12

Answer

B=50, b=9.9, c=12

Answer

B=70, b=12.8, c=12

Answer

B=40 b=11.2, c=12

Question 18

Solve each triangle. A=40, B=20, a=2

Accepted Answer

C=120, b=1.06, c=2.69

Answer

C=135, b= 1.56, c=2.50

Answer

C= 120, b=2.68. c=3.26

Answer

C=45, b=1.06, c=2

Question 19

Which equation shows how you would use the law of sines to find angle A?

Accepted Answer

$$\frac{\sin44}{26}=\frac{\sin\ A}{23}$$

Answer

$$\frac{\sin\ 26}{44}=\frac{\sin\ 23}{A}$$

Answer

$$\frac{\sin\ 44}{23}=\frac{\sin\ A}{26}$$

Answer

$$\frac{\sin23}{44}=\frac{\sin\ 26}{A}$$

Question 20

Which equation shows how you would use the law of sines to find side c?

Accepted Answer

$$\frac{\sin41}{19}=\frac{\sin\ 75}{c}$$

Answer

$$\frac{\sin\ 64}{19}=\frac{\sin\ 75}{c}$$

Answer

$$\frac{\sin\ 19}{64}=\frac{\sin\ c}{75}$$

Answer

$$\frac{\sin19}{41}=\frac{\sin\ c}{75}$$

Question 21

Find $$m\angle Y$$ to the nearest tenth.

Accepted Answer

$$35.1\degree$$

Answer

$$39\degree$$

Answer

$$34\degree$$

Answer

$$30\degree$$

Question 22

find X

Accepted Answer

29

Answer

52

Answer

33

Answer

41

Unit 9 Lesson 7 Law of Sines

23 questions

Identify the Law of Sines

Find AB.

Find BC.

Find BC

Find AC

What is the measure of angle A?

Find x, the measure of the angle.

find X

Find m<B

Calculate the length of AC

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics