Law of Cosines Introduction

How Many Triangles would be possible?

• 2

• 1

• 0

• INFINITE

Solve for a.

• 28

• 56

• 22

• 45

Solve for Beta

• 45.2

• 26.3

• 36.3

• 56.2

Which Law would you use to solve for Angle B?

• Law of the Jungle

• Law of Cosines

• Law of the Gravity

• Law of Sines

Use the Law of Cosines to find the value of x.  (Level 1)

• 41.7

• 51.7

• 61.7

• 71.7

Find the length of Side BC.

• 33

• 24

• 12

• 29

Find the length of side AB.

• 10

• 8

• 6.1

• 4.9

Find the length of side AC.

• 12

• 10

• 23

• 14

What is the measure of angle A?

• 50 degrees

• 60 degrees

• 78 degrees

• 74 degrees

What is the measure of angle A?

• 58 degrees

• 61 degrees

• 78 degrees

• 74 degrees