Quiz about Law of Sine and Law of Cosine Review

Question 1

Find the area of ABC to the nearest tenth.

Accepted Answer

62.3 units²

Answer

124.6 units²

Answer

77.0 units²

Answer

100 units²

Question 2

What are the possible criteria for the Law of Cosines?

Accepted Answer

SSS, SAS

Answer

SSA, SSS

Answer

SSA, ASA

Answer

AAS, ASA

Question 3

Would you use the Law of Sines

or the Law of Cosines?

Accepted Answer

Law of Cosines

Answer

Law of Sines

Question 4

What is the length of side x?

Accepted Answer

105 cm

Answer

130 cm

Answer

112 cm

Answer

150 cm

Question 5

What is the measure of angle A?

Accepted Answer

$$78\degree$$

Answer

$$58\degree$$

Answer

$$61\degree$$

Answer

$$74\degree$$

Question 6

Find the exact area of the triangle

Accepted Answer

13.9 in2

Answer

13.8 in2

Answer

14.0 in2

Answer

27.9 in2

Question 7

If you know the lengths of three sides to a triangle, what formula can you use to find an angle measure?

Accepted Answer

Law of Cosine

Answer

Law of Sine

Answer

Law of Tangent

Answer

Law of Sign

Question 8

Find the area to the nearest tenth.

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 9

Which Law would you use?

Accepted Answer

Law of Sines

Answer

Law of Cosines

Answer

Law of the Jungle

Answer

Law of Gravity

Question 10

What is the length of side x?

Accepted Answer

105 cm

Answer

130 cm

Answer

112 cm

Answer

150 cm

Question 11

Which Law would you use?

Accepted Answer

Law of Cosines

Answer

Law of Sines

Answer

Law of the Jungle

Answer

Law of Gravity

Question 12

What is the measure of angle A?

Accepted Answer

78 degrees

Answer

50 degrees

Answer

60 degrees

Answer

74 degrees

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