Law of Sine and Law of Cosine Review

Find the area of ABC to the nearest tenth.

• 62.3 units²

• 124.6 units²

• 77.0 units²

• 100 units²

What are the possible criteria for the Law of Cosines?

• SSA, SSS

• SSA, ASA

• SSS, SAS

• AAS, ASA

Would you use the Law of Sines

or the Law of Cosines?

• Law of Sines

• Law of Cosines

What is the length of side x?

• 130 cm

• 112 cm

• 150 cm

• 105 cm

What is the measure of angle A?

Find the exact area of the triangle

• 13.9 in²

• 13.8 in²

• 14.0 in²

• 27.9 in²

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

• Law of Sine

• Law of Cosine

• Law of Tangent

• Law of Sign

Find the area to the nearest tenth.

• A

• B

• C

• D

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

What is the length of side x?

• 130 cm

• 112 cm

• 150 cm

• 105 cm