Law of Sine and Cosine Review

Find the area

• 58.2 cm²

• 65.3 cm²

• 49.7 cm²

• 72.3 cm²

Given ∠C = 63°, AB = 28°, and AC = 29°, how many triangles can be made?

• 0

• 1

• 2

• 3

Given ∠C = 36°, AB = 31°, and BC = 24°, how many triangles can be made?

• 0

• 1

• 2

• 3

Three boats are out at sea: Boat A, Boat B, and Boat C. The crew of Boat A can see both Boat B and Boat C. The angle between the line of sight to Boat B and the line of sight to Boat C is 49°. If the distance between Boat A and Boat B is 1.8 miles and the distance between boat A and Boat C is 3.2 miles, what is the distance between Boat B and Boat C?

• 2.4 miles

• 5.3 miles

• 1.3 miles

• 3.7 miles

What is the measure of angle A?

• 58 degrees

• 61 degrees

• 78 degrees

• 74 degrees

Find the area

• 26.5 in²

• 28.8 in²

• 12.5 in²

• 25.1 in²

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

How many triangles can you make if A=53, b=6, and a=4?

• 0

• 1

• 2

• Infinitely many

Solve for x. Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

• 2794.67 ft

• 5426.15 ft

• 1220.62 ft

• 3405.74 ft