Law of Cosines

Multiple Choice

Find AB

• 10

• 8

• 6.1

• 4.9

Multiple Choice

What is the measure of angle A?

• 58 degrees

• 61 degrees

• 78 degrees

• 74 degrees

Multiple Choice

$$m\angle I=$$  

• $$57.6\degree$$  

• $$58.3\degree$$  

• $$58.8\degree$$  

• $$59.4\degree$$  

3.2 Law of Cosines

​Proof

​notes

Fill in the Blank

Find X. Round to Nearest Degree

Math Response

Find Angle Y, Round to nearest Degree.

Type answer here

Correct Answer: 75

Deg^°

Rad

​notes

Math Response

Find BC, round to nearest hundreth!

Type answer here

Correct Answer: 45.02

Deg^°

Rad

Math Response

Find TS, round to hundreth!

Type answer here

Correct Answer: 32.98

Deg^°

Rad