Law of Sines and Cosines Review

Billy Bob is using the Law of Sines to solve for ∠Y in ΔXYZ.  Which of the following would correctly complete the statement below?  

If sinY = ___, then ΔXYZ cannot exist.

Determine the number of triangles that can be formed with the given measurements:

• 0

• 1

• 2

Determine the number of triangles that can be formed with the given measurements:

• 0

• 1

• 2

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

What would be used to find the distance across the lake?

• Quadratic Formula

• Law of Cosines

• Law of Sines

• Trigonometric Ratios

What would be used to find the distance from the Ranger's Tower to the fire?

• Quadratic Formula

• Law of Cosines

• Law of Sines

• Trigonometric Ratios

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

Which Law would you use?

• Law of Sines

• Law of Cosines

• Law of the Jungle

• Law of Gravity

What is the measure of angle A?

• 50 degrees

• 60 degrees

• 78 degrees

• 74 degrees

What is the length of side x?

• 130 cm

• 112 cm

• 150 cm

• 105 cm