Intro to Law of Sines and Law of Cosines

How Many Triangles would be possible?

• 2

• 1

• 0

• INFINITE

Find alpha

• 53.6

• 13.3

• 113.1

• 78.2

8.Solve for x

• 3.85

• 4.25

• 3.35

• 5.65

Solve for a.

• 28

• 56

• 22

• 45

Use law of Sines to find side c.

Round your answer to the nearest hundredth

Mathematical Equivalence

OFF

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

Use the Law of Sines to solve for BC

• 33

• 24

• 12

• 29

Which Law would you use to solve for side AC?

• Law of Sines

• Law of Cosines

• Newton's Laws

• SOHCAHTOA

To solve the triangle shown, you would start with which formula?

• Law of Cosines

• Law of Sines

• Heron's Formula

• Triangle sum theorem